Britain’s Vaccine Chief Says World Faces 4,000 COVID-19 Variants
British Prime Minister Boris Johnson
British Prime Minister Boris Johnson
Katalin Bosze and Boroka Bosze hang their clothes to dry on the sailing boat ‘Teatime.’
The Olympic in Tokyo
Mice subjects in a research lab
A health worker holds a COVID-19 sample collection kit of a vaccine trial volunteer
An employee in China works on a production line
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