Estimated prevalence of immunity to poliomyelitis in the city of São Paulo, Brazil: a population-based survey
OBJECTIVES: Estimate the prevalence of immunity to poliomyelitis (anti-polio antibodies) in the city of São Paulo/Brazil through a population-based survey. METHODS: A quantitative and inductive method was used to draw a representative sample of the population. Randomization and stratification (based...
Main Authors: | , , , , |
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Format: | Article |
Language: | English |
Published: |
Elsevier
2002-01-01
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Series: | Brazilian Journal of Infectious Diseases |
Subjects: | |
Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702002000500004 |