The Prevention of Measles

admit adults agent amount animals appear assumed asylums attack become bedding bedroom brought causation cause classes common concerned conclusion connected consequence contagion contagium contamination course Crown 8vo damp disease doubt Edition effects efficient epidemic escape etiologists evidence exemption experiments exposed fact forms frequently fungus further given induced infection infective disease inference inoculation instances introduction kind known less light look material matter means measles Medical nature observations occur ordinary organism origin outbreak paillasses parasitism patients perhaps period person phenomena poison position practical present probably question reasons referred regard relation Salisbury Salisbury's scarlet fever schools Second seen shown similar Small soil sound species spores straw fungi straw mildew submit sufficient suggested supposed symptoms taken theory thing tion vegetation whole