Читать книгу Epidemic Respiratory Disease. The pneumonias and other infections of the repiratory tract accompanying influenza and measles онлайн
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It is of interest to record that the incidence of pneumococcus in these cases was approximately the same in all groups and bore no relation to the prevalence of influenza, bronchitis, or pneumonia.
Table VIIIIncidence of B. Influenzæ in Normal Men as Determined by Throat Cultures on Blood Agar PlatesDATEPLACEORGANIZATIONNUMBER EXAMINEDB. INFLUENZÆ PRESENTPER CENT POSITIVE FOR B. INFLUENZÆREMARKSSept. 14–Oct. 5Camp Pike, Ark.Med. Detachment, Base Hos.; personnel on measles wards821417.182 throat cultures in 42 individualsNov. 5–9Camp Pike, Ark.Miscellaneous2967123.9Number among this group who had had influenza not recordedNov. 12Hot Springs, Ark.Drafted men assembled to entrain for camp64Men, in large part from isolated farm communities; 13 gave a history of “influenza” within the preceding 8 weeksNov. 25Camp PikeMiscellaneous26135012 of this group had influenza during the epidemicDec. 10Camp PikeMiscellaneous25135212 of this group had influenza during the epidemicSummaryNormals49311122.5Cases of influenza (for comparison)16610965.7The results obtained by throat culture are quite similar to those obtained by the mouse inoculation method. The entire absence of B. influenzæ in the group of 64 throat cultures made in the draft men assembled at Hot Springs as compared with the relatively high incidence in the last two groups examined at Camp Pike is very striking.