Report of first expedition to South America, 1913Members of the expedition: Richard PStrong [and others] . as sixty days. Symptoms.— It is generally stated in textbooks of tropicalmedicine that there are three clinical stages of verruga peru-viana: (1) of invasion; (2) of eruption; and (3) of stage of invasion in our cases was usually characterizedby pain in the joints, the knees, elbows, ankles, and wristsbeing more commonly affected, and by moderate fever. Thetemperature sometimes may reach 104° F., but more often doesnot exceed 100°.4 F. The fever in our experience ushers in th
Report of first expedition to South America, 1913Members of the expedition: Richard PStrong [and others] . as sixty days. Symptoms.— It is generally stated in textbooks of tropicalmedicine that there are three clinical stages of verruga peru-viana: (1) of invasion; (2) of eruption; and (3) of stage of invasion in our cases was usually characterizedby pain in the joints, the knees, elbows, ankles, and wristsbeing more commonly affected, and by moderate fever. Thetemperature sometimes may reach 104° F., but more often doesnot exceed 100°.4 F. The fever in our experience ushers in theeruption and is usually of short duration, lasting sometimesbut a few days. Other observers say the fever may last amuch longer time. Castellani gives from twenty days to eightmonths; Firth from one to nine months or a year. Odriozolagives the average period of fever from three to four is such a very common disease in the endemic areas ofverruga peruviana, and so many of the inhabitants of these 1 Jadassohn and Seiffert: Ztschr. f. Hyg. u. Infectionskrankh, Leipz., 1910, Ixvi, Fig. 1. — Early Miliary Eruption.
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