Twitter Watch: Week to 25 July 2011

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.

@CDCgov keeps children #immunized against vaccine preventable diseases saving nearly $14 billion in direct costs #CDC247

EndPolioNow EndPolioNow
Rotarians play key role in Pakistan’s strategy to end polio

GAVIAlliance GAVI Alliance
Great news today! A new human clinical trial of an #HIV #vaccine is showing incredible promise: #globalhealth #AIDS

GAVIAlliance GAVI Alliance
7 days until World #HepatitisDay. Did you know there is a #hepatitis B #vaccine? /via @WHOnews #globalhealth