Reinfection — 4 Comments

  1. Very helpful information – especially pointing out the failure of the common cold to develop lasting protective immunity. Guess we’ll have to be on guard (will masks become permanent? Gevalt!!).

    • We should be so lucky as to get the kind of immunity that a bout of measles confers. This story from the Philadelphia Inquirer begins with an anecdote about when measles visited the Faroe Islands in 1846. It hit the population hard, infecting over 6,000 out of a population of 7,782, and killing dozens. One group who was completely spared from infection: 98 old folks who had gotten measles the last time it visited the islands, 65 years before.

  2. Thanks Greg, that’s a good summary of coronavirus history, including a couple I didn’t know about.

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