Vaccination

Most Americans unhappy with U.S. vaccine rollout, poll shows

As the United States enters a critical phase of its national coronavirus vaccination campaign, a new poll shows that two-thirds of Americans are frustrated with how hard it is to get immunized against COVID-19.

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.

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