“To carry into effect the separation of the sick from the healthy, it

would be very expedient that one or more houses should be kept in view

in each town or its neighbourhood, as places to which every case of

the disease, as soon as detected, might be removed, provided the

family of the afflicted person consent to such removal; and, in case

of refusal, a conspicuous mark, ‘SICK,’ should be placed in front of

the house, to warn persons that it is in quarantine; and even when

persons with the disease shall have been removed, and the house shall

have been purified, the word ‘CAUTION’ should be substituted, as

denoting suspicion of the disease; and the inhabitants of such house

should not be at liberty to move out or communicate with other persons

until, by the authority of the local board, the mark shall have been

removed.

“It is recommended that those who may fall victims to this most

formidable disease should be buried in a detached ground, in the

vicinity of the house that may have been selected for the reception of

cholera patients. By this regulation, it is intended to confine, as

much as possible, every source of infection to one spot: on the same

principle, all persons who may be employed in the removal of the sick

from their own houses, as well as all who may attend upon cholera

patients in the capacity of nurses, _should live apart_ from the rest

of the community.

“Whenever objections arise to the removal of the sick from the

healthy, or other causes exist to render such a step not advisable,

_the same_ PROSPECT OF SUCCESS IN EXTINGUISHING THE SEEDS OF THE

PESTILENCE cannot be expected. Much, however, may be done, even in

these difficult circumstances, by following the _same principles of

prudence_, and by avoiding all unnecessary communication with the

public out of doors: all articles of food or other necessaries

required by the family _should be placed in front of the house, and

received by one of the inhabitants of the house after the person

delivering them shall have retired_. Until the time during which the

contagion of cholera lies dormant in the human frame has been more

minutely ascertained, it will be _necessary_, for the sake _of perfect

security_, that convalescents from the disease, and _those who have

had any communication with them_, should be kept under observation for

a period of _not less than twenty days_.

“All intercourse with any infected town and the neighbouring country

must be prevented, by the best means within the power of the

magistrates, who will have to make regulations for the supply of

provisions.

“Other measures of a more coercive nature may be rendered expedient

for the common safety, if unfortunately so fatal a disease should ever

show itself in this country, in the terrific way in which it has

appeared in various parts of Europe; and it may become _necessary to

draw troops or a strong body of police around infected places, so as

utterly to exclude the inhabitants from all intercourse with the

country_: and we feel sure that what is demanded for the common safety

of the state, will always be acquiesced in with a willing submission

to the necessity which imposes it.”

This announcement by the English physicians of 1831 was published

throughout the land in the form of an Order of the King in Council.

But the strong good sense of the public averted many of the mischiefs

which these scientific advisers would have produced, had their

counsels been carried into execution. The preventive measures which

were eventually adopted by them consisted in prohibiting intercourse

between one town and another by sea, and permitting it by land; thus,

communication between London and Edinburgh by stage coach was

perfectly free and uninterrupted, while communication between those

capitals by sea was prohibited with such rigour that no interest,

however powerful, could procure an exemption. Francis Jeffrey—at this

time holding the high office of Lord Advocate of Scotland, and whose

influence, from his personal and official connections, was very

great—was unable to obtain permission for his faithful servant, in the

last stage of dropsy, to go from London to Leith by water, lest he

should carry with him to his native country, by that mode of

conveyance, not the dropsy, which he had—but the cholera, which he had

not.

“You will be sorry,” writes Jeffrey to Miss Cockburn, “to hear that

poor old Fergus is so ill that I fear he will die very soon. I have

made great efforts to get him shipped off to Scotland, where he most

wishes to go; _but the quarantine regulations are so absurdly severe,

that, in spite of all my influence with the Privy Council_, I have not

been able to get a passage for him, _and he is quite unable to travel

by land_; he has decided water in the chest, and swelling in all his

limbs. The doctors say he may die any day, and that it is scarcely

possible he can recover.”—_Cockburn’s Life of Jeffrey_, p. 247.

These examples are not adduced for the purpose of casting obloquy on

Sir Henry Halford, Dr Maton, and the other eminent physicians their

colleagues, who vainly attempted to reduce to practice in the

nineteenth century, the standard but obsolete doctrines taught, almost

universally, in the medical schools in the country; but solely for the

purpose of displaying the state of the science of Public Health in the

year 1831–2, as far as the physicians of highest reputation and

largest practice may be taken as its exponents.—_Origin and Progress

of Sanitary Reform, by T. Jones Howell._

The consideration of the common properties of pestilence, under whatever

form or name it may occur, has led to the general conclusion that the

true safeguards against pestilential diseases are not quarantine

regulations, but sanitary measures—that is to say, measures which tend

to prevent or remove certain conditions, without which pestilential

diseases appear to be incapable of existing.

The whole machinery of quarantine is based on the assumption that by an

absolute interdiction of communication with the sick, either by the

person or by infected articles, it can prevent the introduction of

epidemic disease into an unaffected community.

But this assumption overlooks the essential condition on which epidemic

disease depends, namely,—the presence of an epidemic atmosphere, without

which it is now generally admitted that no contagion, whether imported

or native, can cause a disease to spread epidemically. Allowing,

therefore, to contagion all the influence which any one supposes it to

possess, and to quarantine all the control over it which it claims,

there remains the condition, the primary and essential condition, which

confessedly it cannot reach, namely, the epidemic atmosphere.

Experience affords evidence that the influence of an epidemic atmosphere

may exist over thousands of square miles, and yet affect only particular

localities. The cases of cholera which have occurred in numerous and

widely distant parts of England and Scotland mark the presence of the

epidemic influence; yet over this extended area cholera has fixed itself

and prevailed as an epidemic only in very few places. Why has it

localized itself in these particular places? Probably because it has

there found conditions of a specific kind, either local or personal, or

both. It follows that our true course is to make diligent search for all

localizing circumstances, and to remove them, so as to render the

locality untenantable for the epidemic. But quarantine makes no such

search, and leaves all localizing conditions untouched and unthought of.

Hence the signal failure of quarantine as a means of prevention, with

reference at least to the most prevalent epidemics, in all the nations

of Europe in which it has been tried in modern times; and hence the

general relaxation, and in some instances the total abandonment, of the

system of quarantine, with reference to several diseases against which

it was formerly rigidly enforced, and the growing distrust in the

supposition that measures of this kind really afford protection against

the introduction of any epidemic disease into any country.

The influence of great epidemics is not limited to human beings; it

extends to all classes of domestic animals.

It is stated by Dr Thomas Lesslie Gregson, who was at Alexandria during

the prevalence of the great plague of 1836, on duty there as

surgeon-in-chief to the Naval, Military, and Civil Hospital, that cattle

were attacked with decided symptoms of plague some time before the

disease broke out among the human species. “Before the disease broke

out,” he says, “a number of the Pacha’s oxen were seized with a malady,

of which above one hundred died in a few days. I was sent to investigate

and report on this epidemic. On examination I found gastroenterite in

the most intense degree; so much so, that I have found extensive

gangrene in oxen that have only been observed ill twelve hours. They had

also large buboes. This I reported plague, and caused them to be

interred deeply.”

Quarantine is based on the assumption that epidemic diseases depend upon

a specific contagion; but the question of contagion has no necessary

connection with that of quarantine. The real question is whether

quarantine can prevent the extension of epidemic diseases, whatever may

be their nature, whether contagious or not. If it can, it is valuable

beyond price; if it cannot, it is a barbarous encumbrance, interrupting

commerce, obstructing international intercourse, periling life, and

wasting, and worse than wasting, large sums of the public money.

But if the power of protecting the country from the introduction and

spread of disease, whether contagious or otherwise, claimed by

quarantine, be really possessed by it, this must be proved by other

considerations than those which establish the contagiousness of disease;

it is a mere matter of evidence and experience, and consequently the

disputed point of contagion should be placed entirely out of view in

this discussion, and the whole question should be argued on the broad

ground whether or not quarantine is a public security, or is capable of

affording practically any useful result.

There is indeed one point of view in which it may be proper, and even

necessary, to consider the question of contagion with relation to that

of quarantine. Assuming the existence of contagion, if it can be proved

that quarantine, instead of affording any protection against contagion,

absolutely fosters it, then the stronger the proof of contagion the more

decisive the argument presented by it against quarantine; and it will be

shown hereafter that this is the true and the only relation in which

contagion stands to this question.

There is no more reason why the controversy on contagion should

complicate the question of quarantine than why it should continue to

encumber the general subject of the removable causes of disease, from

which efforts have long been made to disentangle it.

The discussion whether epidemic diseases arise and spread from contagion

or from common or specific poisons generated in the localities in which

these pestilences first break out, has nothing whatever to do with

quarantine, the sole inquiry with reference to this question being

whether, however epidemic diseases arise, quarantine can prevent their

introduction into a country or arrest their progress when there.

Few will question that the progress of the opinion of observers in

Europe during the last half-century has been steadily towards a material

modification, if not an entire abandonment, of the doctrine of contagion

with reference to the majority of epidemic diseases, taking the word

contagion in its strict sense, that is, the communicability of disease

exclusively by contact: direct, that is, with the body or breath of an

infected person; or indirect, with something which an infected person

has touched.

Cholera may be taken as an example of the diseases of the epidemic

class. When cholera first invaded Europe in 1831,[26] the belief in its

contagious nature was almost universal, and in this country in

particular there was scarcely a medical man who did not entertain this

conviction; but as in India, where this disease is known, the belief in

its contagious nature is universally abandoned, so in Europe it

gradually diminished in proportion as opportunities of observing the

disease increased; and now in Russia, Poland, Prussia, France, Belgium,

and England, the contrary view, with few exceptions, is maintained.

Footnote 26:

See note p. 61.

There has been much confusion of terms in respect to the use of the

words contagion and non-contagion. Professional men have avowed their

belief of the contagiousness of typhus, and stated that they had

experienced it in their own persons. When asked for the evidence on

which the belief was founded, they have usually related some

circumstances showing, not the contagiousness, but the infectiousness of

the disease. Contagion is a term applicable to a different set of

circumstances. According to the hypothesis of contagion, no matter how

pure the air, no matter what the condition of the fever ward, if the

physician only feels the pulse of the patient, or touches him with the

sleeve of his coat, though he may not catch the disease himself, he may

communicate it by a shake of the hand to the next friend he meets; or

that friend, without catching it himself, may give it to another; or if

the physician wash and fumigate his hand, but neglect the cuff of his

coat, he may still convey the deadly poison to every patient whose pulse

he feels during the day. If this were so, the track of a general

practitioner who attended one patient labouring under a specific

epidemic disease would be marked by the seizure of the rest of his

patients; if it were true of cholera and typhus, the members of the

General Board of Health must have fallen by these diseases, who from

morning until night received inspectors that came from places where

these epidemics were rife; and if any disease of common occurrence

really possessed such powers of communication and diffusion, it is

difficult to conceive how it is that the human race has not been long

since extinguished.[27] To assume the method of propagation by touch,

whether by the person or of infected articles, and to overlook that by

the corruption of the air, is at once to increase the real danger, from

exposure to noxious effluvia, and to divert attention from the true

means of remedy and prevention. It is not in human power to take from

any disease the property of contagion, if this property really belongs

to it; but it is in our power to guard against and prevent the effects

of any contagion, however intense; and it is equally in our power to

avoid communicating to common disease an infectious character, and

aggravating it into pestilence.

Footnote 27:

In January, 1866, the members of the Aberdeenshire Cattle Plague

Association being much interested in the question as to how the

disease could possibly have reached Pitmillan, Fovernan, no suspicious

communication by beast or otherwise having taken place with the farm

for weeks, Mr Hay, veterinary surgeon, inspector for the county, gave

the following explanation of the matter in a letter to Mr Barclay, the

hon. secretary:—“I am happy to be able to satisfy the public mind as

to how the disease was brought to Pitmillan. About Christmas Mr Fraser

got from Mr Duncan, flesher, Aberdeen, a quantity of beef rolled up in

packsheet, which had apparently paid several visits to London round

carcases, and doubtless mingled there with many of its kind from

various places of the kingdom. After being removed from the beef at

Pitmillan, this packsheet was thrown aside for some time, when one of

the servant girls took and used it (unwashed) as an apron for a

considerable period before the first cow got bad, and was carrying the

kail in it to the cow after she was taken ill. You see by this that we

are liable to get the disease at any time. Tons of packsheet return

weekly by railway, and no surer agent could be employed to bring

rinderpest to the country.” The secretary having some doubt about the

guilt of the packsheet (which however, was gravely accused in both

Houses of Parliament), reported his opinion that the contagion was

conveyed by the wind! [ED.]

If indeed the emanations thrown off from the living body formed

permanent and powerful poisons, like miasms connected with the products

of decomposition, and if they were, like such products, capable of being

conveyed unchanged to great distances, we should be able to live only in

solitude; we could never meet in society, for we should poison each

other; the first symptom of illness would be the signal for the

abandonment of the sick, and we should be compelled by a due regard to

self-preservation to withhold from persons afflicted with disease every

kind and degree of assistance that required personal attendance.

Happily, we are not so constituted, and the evidence that has been

adduced of the narrowness of the sphere even of the most virulent

contagion, shows the groundlessness of the alarm sometimes entertained

respecting this dreaded agent, while it points to the certain means of

destroying it. The London Fever Hospital is separated from the Small-Pox

Hospital only by the space of between thirty and forty feet, and the

windows of the wards of both establishments are immediately opposite

each other: yet there is no instance of the communication of small-pox

to the typhus patients, nor of typhus to the small-pox patients; nor of

either disease to the convalescent, or to the official inmates of the

adjoining establishment. There does not appear to be a single instance

on record, in any country, of the extension of infection beyond the

walls of an hospital, or even of a lazar-house, so as to injure in any

manner the nearest inhabitants.

But though it appears that modern experience and research have shed

considerable light on the origin and progress of epidemic diseases, yet

there are still some circumstances connected with their propagation

which the present state of our knowledge does not enable us to

understand, and which therefore appear to us as difficulties.

These cases are sometimes termed exceptional; but they are only

apparent, not real, exceptions; as in all other departments of human

research, they are merely indications of the imperfection of our

knowledge, and advancing science will unquestionably one day so

elucidate these very exceptions, as to render them additional

confirmations of the true conditions.

In the present state of popular opinion it has been deemed requisite to

enter into this detailed consideration of the general subject of

contagion, because it appears that in proportion as undue weight is

attached to this dreaded agent the effect is mischievous; since, “it

diverts attention from the true source of danger, and the real means of

protection, and fixes it on those which are imaginary; creates panic;

leads to the neglect and abandonment of the sick; occasions great

expense for what is worse than useless; and withdraws attention from

that brief but important interval between the commencement and the

development of disease, during which remedial measures are most

effective in its cure.”

It is also necessary to examine the questions of contagion and

quarantine apart from each other, because there are points of obscurity,

and therefore grounds for controversy, which, in the present state of

our knowledge, may be reasonably considered as belonging to the former,

that do not attach to the latter. The inquiry with reference to

quarantine, indeed, is simple, and lies in a narrow compass. The sole

question to be determined is, whether or not it accomplishes, or is

capable of accomplishing, its professed object, and this is a mere

question of evidence and experience.

The object of quarantine is to prevent the introduction of epidemic

diseases from one country into another, and the agency which it employs

for this purpose is the isolation of the sick; the detention of, and the

placing under inspection for a given period, persons who come from an

infected country or district, though they may not be actually sick; and

the purification of articles of commerce presumed to be capable of

imbibing and conveying pestilential virus, before such articles are

landed and dispersed.

It appears that facts and observations place beyond all reasonable doubt

the utter inutility of this system.

If there be any truth in the preceding representation, that epidemic

diseases are universally and inseparably connected with an epidemic

atmosphere, the question is at once decided. Quarantine can exercise no

more control over this epidemic atmosphere than over the electricity and

temperature of the common atmosphere, and the direction and force of the

wind.

If it be true that epidemic diseases, such, for example, as influenza

and cholera, traverse the globe in determinate courses or zones, and

often spread from country to country, and through the vast populations

of their great cities, in single weeks, and even days, it must be futile

to array such a machinery as that of quarantine, that is to say, a

vessel placed at the entrance of one or two seaport towns, a line of

soldiers guarding a few miles of the frontier, of a particular country

against morbific agents, which pursue their course like the blight that

destroys the vegetation of a country in a night, and which extend their

influence over the greater part of the habitable globe.

If it be true that the epidemic influence precedes the actual outbreak

of epidemic disease—that that epidemic influence is present in a

country, creating a predisposition or susceptibility to disease before

the epidemic appears in its true and recognized form,—quarantine must be

futile, because, before it takes its precautions or erects its barriers,

such as they are, the epidemic is already in the country busy in action,

vitiating the blood of the most susceptible of the population, and

preparing the way for its general attack.

If it be true, as ancient and modern authorities are agreed, that,

without the essential preliminary of an epidemic atmosphere on the spot,

foreign contagion is inert, and that, unless both concur, no pestilence

ensues, quarantine under any circumstances must be useless; for in the

absence of an epidemic atmosphere it must be useless, because then no

disease will spread beyond the individual affected; and with the

presence of an epidemic atmosphere it must be useless, because then the

disease will spread wherever the infected atmosphere goes and finds

favouring conditions.

If the preceding principle be true, it must be futile to place vessels

coming from infected countries in quarantine, unless those vessels are

capable of bringing with them an epidemic atmosphere, and unless

quarantine can control such an atmosphere when imported; and the

uselessness of this procedure will be placed in a still stronger light

when recent experience as to the comparative insusceptibility of

Europeans, though resident on the spot, to plague itself is

considered.[28]

Footnote 28:

Dr W. H. Burrell, Deputy Inspector-general of Hospitals, who was three

years Principal Medical Officer at Malta, presented, in 1852, to the

General Board of Health, an elaborate examination on the plague which

had formerly raged in that island. The following are the conclusions

to which he had arrived:—

“1. There is no evidence to prove, or even to render it probable, that

the plague was introduced either into Malta in 1813 or into Gozo in

1814 by importation.

“2. There is every reason to believe that the plague existed in Malta

at the time of the arrival of the ship supposed to have introduced the

disease; and that in Gozo the first case (a stranger) contracted the

disease from local causes, which enhanced by quarantine, produced it

in others.

“3. The lower orders, and those occupying the lowest, most crowded,

and worst ventilated dwellings, furnished the great majority of cases;

which decreased in proportion with improvement in these respects.

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