Diseases, Conditions, Syndromes

Virus variant from South Africa detected in US for 1st time

A new variant of the coronavirus emerged Thursday in the United States, posing yet another public health challenge in a country already losing more than 3,000 people to COVID-19 every day.

Diseases, Conditions, Syndromes

A new COVID-19 challenge: Mutations rise along with cases

The race against the virus that causes COVID-19 has taken a new turn: Mutations are rapidly popping up, and the longer it takes to vaccinate people, the more likely it is that a variant that can elude current tests, treatments ...

Diseases, Conditions, Syndromes

Nigerian scientist studies country's coronavirus variant

A Nigerian scientist has spent the holiday season in his laboratory doing genetic sequencing to learn more about the country's COVID-19 variant, as cases increase in the country.

Vaccination

COVID vaccines: Why the safety process reassures experts

COVID-19 vaccine emergency approvals are around the corner, makers are preparing to ship millions of doses—and experts are trying to reassure the public that the record-breaking speed of development hasn't compromised safety.

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