Saturday, 2 November 2013

Gems for plague

causative agent:yersinia pestis,,vector:: rat flea( xenopsylla cheopsis)
plague season-- September to may
most contagious-- pneumonic plague
Immunity lasts fr hw mny months after plague vaccination---6 months
Time required to declare an area plague free( aipg--95)
14 days
Pneumonic--1-3 days
Bubonic nd septicemic--2-7 days
Best indicator of plague outbreak
Total flea index
Most dangerous fr spreading plague is partial blocked flea
drug fr prophylaxis--tetracycline
doc--streptomycin

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