The Common Cold

active adenoviruses adults agent amongst animal antibiotics antibodies antigenic attack atypical pneumonia bacteria capsomeres carried catarrh cause colds Chapter chemical chilling chimpanzees clumping coarse droplets cold viruses colleagues common cold research concerned Coxsackie cultivated cultures developed colds disease doctor dose drugs earlier ECHO 28 effective embryos enteroviruses epidemic evidence experiments fact fever fluid germs grow handkerchiefs immunity incidence of colds influenza virus inoculated interferon isolated laboratory larynx later less lungs measles membranes mice monkey mucus Mycoplasma myxovirus nasal discharge naso-pharynx normal nose nostrils nucleic acid obtained occur para-influenza particles particular pharynx picornaviruses pneumonia poliomyelitis probably produce colds protein red blood cells resistance respiratory illness respiratory infections rhinoviruses Salisbury serum similar sinuses sneezing sore throat spread strain studies symptoms temperature things tion tissue tissue-culture trachea trial typical colds usually vaccines virus infections volunteers winter workers