Definition of "serotypes" []

• Plural form of serotype. (noun)

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• "Pneumococcal conjugate vaccines are designed to prevent disease due to the most important strains (called serotypes) circulating in an area, but they don't prevent all of them."
• "But this species includes more than 2,300 different strains, technically known as serotypes or serovars."
• "Botulinum toxin occurs in seven different forms, known as serotypes A through G, although serotypes A and B are the culprits in about 90 percent of the foodborne botulism cases in the United States."