Vaccination

Making sense of the lagging U.S. COVID-19 vaccination effort

It's been three weeks since the COVID-19 vaccines began arriving at hospitals, clinics, and pharmacies. Operation Warp Speed—the U.S. vaccination development, testing, and distribution effort—had made 20 million vaccine ...

Vaccination

Brazil scrambles to approve virus vaccine as pressure mounts

Brazil, a nation proud of its role as a regional leader in science, technology and medicine, finds itself falling behind its neighbors in the global race for immunization against a pandemic that has already killed nearly ...

Diseases, Conditions, Syndromes

Australian state makes masks compulsory as COVID-19 spreads

Australia's coronavirus hot spot, Victoria state, will make wearing masks compulsory after reporting a record 723 new cases on Thursday, mostly among the vulnerable residents of aged care homes.

Diseases, Conditions, Syndromes

Australia calls military in after virus surge

Australia's military was called in Wednesday to help tackle a coronavirus outbreak in Melbourne—a surge in infections that has rattled the country's second-most populous city.

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