Twitter Watch
A selection of items of interest this week from a variety of twitter feeds. This capture is highly selective and by no means intended to be exhaustive.

pahowho PAHO/WHO
Costa Rica Hosts Regional Consultation on Social Determinants of Health bit.ly/rqCTgW

gatesfoundation Gates Foundation
RT @gatespolio “Our greatest responsibility is to be good ancestors.” Jonas Salk, #polio vaccine developer

EndPolioNow EndPolioNow
Famine in #HornofAfrica makes children more susceptible polio. RI polio partner, #UNICEF, increases immunizations. http://cot.ag/p3KXkF

GAVIAlliance GAVI Alliance
Milestone: The #Measles Initiative has helped vaccinate 1 billion children in 60+ countries since ’01! http://ht.ly/5V9aF h/t @UNFoundation

gatesfoundation Gates Foundation
Progress & Partnerships | Our 2010 Annual Report: http://gates.ly/pwFBGx

GAVISeth Seth Berkley
Excited to be heading to Geneva tonight to start as CEO of GAVI. Such an exciting time in vaccines with so much to do!

Medic Medic Mobile
by MalariaVaccine
Breakthrough: New #malaria vaccine found to be safe, well tolerated in Tanzanian children http://bit.ly/q6tCMt #globalhealth #hcsm