Practical preventive medicine . Fig. 80.—Pediculus vestimenti. L.: female (X about 25). {Castellani andChalmers, Manual of Tropical Medicine, Wm. Wood and Co.). all vermin and eggs on the clothing returned to the the isolation quarters of all vermin. General Measures.—Delousing of persons, clothing and prem- DISEASES TRANSMISSIBLE BY INSECTS 199 ises during epidemics, or when individuals have come into orhave been brought into an uninfected place from an infectedcommunity. (Figs. 81, 82.). Fig. 81.—Delousing equipment of the Santa Fe Railroad. (Am. Jour. Pub. Health, 7-8.) EUROPEA
Practical preventive medicine . Fig. 80.—Pediculus vestimenti. L.: female (X about 25). {Castellani andChalmers, Manual of Tropical Medicine, Wm. Wood and Co.). all vermin and eggs on the clothing returned to the the isolation quarters of all vermin. General Measures.—Delousing of persons, clothing and prem- DISEASES TRANSMISSIBLE BY INSECTS 199 ises during epidemics, or when individuals have come into orhave been brought into an uninfected place from an infectedcommunity. (Figs. 81, 82.). Fig. 81.—Delousing equipment of the Santa Fe Railroad. (Am. Jour. Pub. Health, 7-8.) EUROPEAN RELAPSING FEVER i. Infective Agent.—Spironema recurrentis {Syn. Spirillumobermeirii). 2. Source of Infection.—Typical and atypical human cases. 3. Portal of Exit.—In the blood abstracted from patients. 4. Route of Transmission.—By the agency of the common bedbug, Cimex lectularius. (Fig. 83). The duration of the periodof extrinsic incubation is unknown. Possibly also by bodylice. 5. Portal of Entrance.—Through puncture wounds made inthe skin by bugs and lice, and also through abrasions made byscratching, into which have been rubbed the body juices ofcrushed bugs. 6. Incubation Period. {Intrinsic).—From two to twelvedays. 200 PRACTICAL PREVENTIVE MEDICINE 7. Period of Communicability.—Unknown. Regard a patientas possibly infective until recovery is complete. 8. Methods of Control. The Injected Individual.^-{d) Diag-nosis: Clinical manifestations confirmed by the observationof t
Size: 1780px × 1403px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1920, booksubjectprevent, bookyear1920
