PSI is a global non-profit organization dedicated to improving the health of people in the developing world.

The Stream

The Stream is a web community and daily television show powered by social media and citizen journalism. Now on Al Jazeera English. See our full shows at http://stream.aljazeera.com

OPS/OMS Perú

Representacion en Perú de la OPS/OMS...y síguenos también por http://www.facebook.com/OPSOMSPeru

PBS

PBS invites you to explore new ideas and discover new worlds. Join us here for conversation and sharing.

European Centre for Disease Prevention and Control

The European Centre for Disease Prevention and Control (ECDC) is an EU agency aimed at strengthening Europe's defences against infectious diseases.

Department of Health UK

Latest news from the Department of Health UK.

American Public Health Association

Stories from the American Public Health Association (@publichealth).

Sabriya Rice

Director of Media Relations for the American Cancer Society, former CNN Health Writer & Empowered Patient Producer, Blue Zones Longevity Explorer

Kristin Hogan Schildwachter

I hate mayonnaise.

ONU Développement

Compte Twitter officiel. Le Programme des Nations Unies pour le développement (PNUD) est le réseau mondial de développement des Nations Unies.

Jennifer Gunter

OB/GYN, writer, sex health expert, defender of evidence-based medicine. I wield the lasso of truth. Tweets are not medical advice. I speak for no one but me.

UNEP

The official twitter page of the United Nations Environment Programme (UNEP)

Erin Hohlfelder

Health Policy Manager for @ONECampaign + Pittsburgh sports fan, global traveler, coffee lover. Tweets are not made on behalf of employer.

Viv Martinez-Bianchi

Community & Family Medicine Doctor. Interests: Population & Global Health, Health Care Disparities, PCMH, Advocacy, Social Justice, Health care access.

The Partnership

The Partnership for Maternal, Newborn & Child Health (PMNCH) unites communities to ensure that all women, infants & children not only remain healthy but thrive.

Storify

@Storify