A study of inapparent infection in smallpox

MeSH terms

• Adolescent
• Adult
• Antibodies / analysis
• Child
• Complement Fixation Tests
• Disease Outbreaks
• Disease Reservoirs
• Female
• Hemagglutination Inhibition Tests
• Humans
• Immunodiffusion
• Male
• Neutralization Tests
• Pakistan
• Retrospective Studies
• Smallpox / epidemiology
• Smallpox / immunology*
• Smallpox Vaccine
• Vaccination