STOCKHOLM, Nov 12 (Reuters) - Immunity to COVID-19 in Sweden is likely lower than previously estimated, the country's top epidemiologist and architect of its unorthodox pandemic strategy said on ...

As an initial matter, Sweden, like the other Nordics, was much less vulnerable than most countries to a respiratory pandemic that hit the elderly the hardest, because of its household structure.

The agency plans to highlight possible links between the shots and accounts of deaths involving children and birth defects to an influential C.D.C. panel meeting next week. By Christina Jewett and ...

New COVID-19 variant XFG has firmly positioned itself as the predominant strain in the United States as cases continue to crop up nationwide. Some regions of the U.S. are experiencing higher rates of ...