Day: January 22, 2010

You can’t hide in the herd

Can you hide in the herd?  Well, I suppose the title has given away the punch line. Herd immunity is a fascinating effect, and one of the mainstays of a public vaccination effort.  The idea is that if enough people in the community are immune to a particular disease, then those who are susceptible will rarely come into contact with a person...

/ January 22, 2010