typical smallpox vaccine reaction
source: u.s. centers for disease control and prevention (cdc). available online: http://www.bt.cdc.gov
the pictures show a typical reaction to the smallpox vaccine. first, a small bump (papule) forms at the vaccine site 3 to 5 days after vaccination. this becomes a pus-filled area (pustule) a few days later. the pustule dries up and then forms a scab by about 14 days after vaccination. the scab finally falls off at about 21 days after vaccination.
current as of: october 24, 2023
author: healthwise staff
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