Diseases, Conditions, Syndromes

China fights COVID surge as Japan extends emergency during Olympics

Hundreds of thousands of people in China were in lockdown on Friday as the country battled its worst COVID-19 outbreak in months, while Japan—a week into the Olympics—extended its state of emergency due to surging infections.

Vaccination

4 billion anti-COVID shots injected worldwide

Although more than four billion doses of anti-COVID vaccines have been administered around the world, poorer countries are still struggling to secure precious shots despite recent donations.

Diseases, Conditions, Syndromes

WHO: Delta variant is 'most transmissible' identified so far

The head of the World Health Organization said the COVID-19 delta variant, first seen in India, is "the most transmissible of the variants identified so far," and warned it is now spreading in at least 85 countries.

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