Small pox community medicine | spm lecture park book| 6minutemedico

Medical lecture on smallpox in subject Preservative and social medicine (PSM) under Epidermiology of communicable disease of respiratory infections.

Small pox community medicine | spm lecture park book| 6minutemedico
Epidemiological reasons/basis for Smallpox eradication:
– No known animal reservoir
– No long term carrier state
– Infection provides lifelong immunity
– Case detection simple due to characteristic rash
– Subclinical cases did not transmit the disease
– A highly effective vaccine was available
– International cooperation

Centrifugal distribution
Non-pleomorphic
Deep seated & Multilocular
No inflammation around vesicles
Affects extensor surfaces, spares axilla
Affects palms and soles
Slow evolution
Scabs form after 10 – 14 days

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