Home and community hygiene

acid adulteration animals antibodies antitoxin bacteria birth blood body boiling butter carbon carbon dioxide cause cells cent chapter chemical clean clothing CO₂ containing cowpox cubic danger death rate defects diphtheria dishes disinfection disposal drinking dysentery effect eggs end of Appendix fæces fever filters flies fuel garbage heat hookworm human humidity hygienic immune important increase indicates individual infected intestinal killed large number less List at end mainly malaria material measles meat mental method milk minerals necessary odors opsonins organisms oxidation oxygen pasteurized pipes plants poisonous pounds present problem protein protozoa Public Health quarantine rural sanitary serum sewage smallpox soil substances sugar surface syphilis tank temperature teria tests tetanus tion tissues toxins transfer tubercular tuberculosis typhoid usually vaccine vegetables ventilation washing water supply white corpuscles yellow fever York City