1.
J Am Acad Dermatol
; 57(3): 442-4, 2007 Sep.
Artigo
em Inglês
| MEDLINE
| ID: mdl-17560685
RESUMO
The durability of immune responses to smallpox vaccine is a subject of considerable debate. We compared cutaneous vaccinia responses in patients vaccinated in the distant past with vaccine-naïve individuals using serial close-up photographs. The previously vaccinated group had a significantly reduced time course and milder cutaneous reactions. Vaccinated individuals appear to maintain clinically detectable immunity against vaccinia for at least 20 years after smallpox vaccination.