Twitter Watch
A selection of items of interest this week from a variety of twitter feeds from NGOs and other sources.

MalariaVaccine PATH MVI
Washington Post op-ed: “Global vaccine efforts offer hope to millions” http://wapo.st/f0aDNK ##

ArthurCaplan Arthur Caplan
destroying smallpox? http://www.thetakeaway.org/2011/jan/18/smallpox/

StateDept StateDept
by USAID
U.S. helps to vaccinate seven million Pakistani children against #measles and #polio: http://go.usa.gov/Y3L #Pakistan @USAID