Adverse Effect	Frequency (per million)
Postvaccination encephalopathy	1.9 to 12.3
Vaccinia necrosum	0.9 to 1.5
Eczema vaccinatum	8.7 to 38.5
Generalized vaccinia	20.8 to 241.5
Accidental autoinnoculation (74% involving eyes)	13.6 to 529.2
Deaths	0.8 to 1.1
Total adverse effects	52.9 to 823