Catalog
Vaccinia
Link to WHO Definition
Vaccinia – http://id.who.int/icd/entity/1275065853
A poxvirus which was formerly used to protect against smallpox. Its use as a vaccine can be complicated by a generalised rash secondary to viraemia, accidental infection of other sites or other individuals, progressive infection at the site of vaccination or, rarely, encephalomyelitis and myopericarditis.