New Trial Results Show Chinese Vaccine only 50 Percent Effective
A refrigerated container with ‘CoronaVac’ COVID-19 vaccines
A refrigerated container with ‘CoronaVac’ COVID-19 vaccines
An illustration of a wooden satellite model
A vial of vaccine used during trials
Japan Aerospace Exploration Agency member retrieves an asteroid capsule
A healthcare worker prepares a vaccine
French President Emmanuel Macron
Thai artist Yuree Kensaku poses next to her mural
Margaret Keenan, 90, is the first patient in Britain to receive the Pfizer/BioNtech COVID-19 vaccine
A sword-billed hummingbird