GERMS
GERMS
ORIGIN OF THE GERM THEORY AS CAUSE OF DIS-EASE
ACTION OF GERMS IN THE BODY A NATURAL PROCESS
BACTERIA
CLASSIFICATION OF
DIPHTHERIC GERMS IN THROAT
FOUND EVERYWHERE
SOURCE OF COMMUNICATION
MAN AND ANIMALS
MEDIA OF CONVEYANCE
MODE OF TRANSFER
DIRECT
INDIRECT
INTERMEDIATE HOST
CARRIERS
CHANNELS OF ENTRY
THE RESPIRATORY TRACT
DIGESTIVE TRACT
THE SKIN
THE GENITO-URINARY TRACT
TERMS INFECTIOUS AND CONTAGIOUS