Definition of "reinfection" [reinfection]

• A second infection that follows recovery from a previous infection by the same causative agent. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• ""Long-term reinfection of the human genome by endogenous retroviruses.""
• "He said polio-free countries will be at risk of reinfection if they do not sustain high immunisation rates and without strong political will to eradicate the disease."
• "A smaller amount, $34 million, is focused on fighting polio in Pakistan and Afghanistan, both conflict nations stuck in a cycle of reinfection between their populations."