Readers are curious about the new variant, currently known a BA.2.86. Also: Lots of questions about boosters. Can you get it at the same time as a flu shot? And how long does protection last?
SARS-CoV-2 is evolving "rapidly," spawning one new variant after another. But omicron continues to dominate, raising new questions about how evolution of the virus is headed.
Researchers in South Africa have found that people infected with omicron, on average, are less likely to end up in the hospital. But the variant may act differently here in the U.S.
In small studies in South Africa and in Germany, the results indicate a marked decrease in the ability of vaccines to neutralize this variant. But there are other findings that are encouraging.
There's serious concern about the effectiveness of vaccines against the omicron strain. But there's also reason to be hopeful — especially for those who've had a booster.
How did this new strain of the novel coronavirus evolve? Researchers are investigating various possibilities. One leading theory involves ... just one person.
The variant accounts for more than 6% of all infections in the U.S. and in some Western states is responsible for more than 18% of cases.
Mounting COVID-19 travel restrictions are meant to contain the Indian variant. But citizens and visitors alike are feeling frustrated.
The term is a reference to two particular mutations in SARS-CoV-2. But the variant in India could carry additional mutations.
State officials are reporting the first case in North Carolina of a more contagious strain of the coronavirus that was first detected in the United Kingdom in December.