How many cases make an epidemic? Survivors of the great polio plagues of the 1940s and ’50s will never believe that in the U.S.
JONAS SALK: Virologist
Tag Archives: polio
To Vaccinate or Not To Vaccinate
My wife and I haven’t had many fights about child-rearing yet. This is mostly because all our son does so far is sleep, eat and poop at the precise moment I hand him over to Cassandra.