CHAPTER XII. Germs

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