There are no cases in the United States, but federal health officials also urged doctors to be vigilant for patients with symptoms.
Tag: Antibodies
A Better Way to Measure Immunity in Children
Some scientists believe that a clearer picture of Covid vaccine efficacy could have emerged sooner if investigators had tracked certain immune cells, not just antibodies.
South Africa Was Hit by Virus Wave, Despite Most People Having Antibodies
Researchers say the study provides yet more evidence of the virus’s capacity to evolve and dodge immunity.
Who Is Protected Against Monkeypox?
Older people who received smallpox vaccinations may yet have some immunity, researchers say. Healthy children and adults generally do not become severely ill.
The Michigan Mink Mystery: How Did an Interspecies Outbreak Unfold?
The puzzling coronavirus cases highlight ongoing surveillance challenges and blind spots.
Trying to Solve a Covid Mystery: Africa’s Low Death Rates
The coronavirus was expected to devastate the continent, but higher-income and better-prepared countries appear to have fared far worse.
Inside the High-Stakes Race to Test the Covid Tests
Researchers in Atlanta have helped the federal government evaluate dozens of Covid tests and pioneer a new model for developing novel diagnostics.
New York Deer Infected With Omicron, Study Finds
White-tailed deer on Staten Island have become the first wild animals with documented Omicron infections. The coronavirus has now been found in deer in 15 states.
Why Nasal Covid Vaccines May Make Better Boosters
Nasal vaccines under development around the world may make better boosters by stopping the coronavirus in the airways.
Omicron Variant May Help Beat Delta, Study Suggests
In the lab, antibodies produced during an Omicron infection protected against Delta. If Omicron dominates in the real world, that could lead to a less dire future.