Smallpox

Alternate Name: Varlola

Test:

Vesicular fluid microscopy (+), isolation of viralantigen in vesicle fluid (+), specific serum antibod­ies (+), WCC (H), li:protein (+)

Sign:

Dd:

Chickenpox, meningococcaemia, typhus, ery-thema multiforme

Phys:

Extremely contagious viral disease with high mor­tality, transmitted by droplet or contact. Wild cases entirely eradicated