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New COVID strain is more transmissibleJanuary 5, 2023 -
Coronavirus found in samples from 96% of flightsJanuary 3, 2023 -
White House confirms Biden has BA.5 subvariantJuly 24, 2022 -
Osterholm says waning immunity and future variants could bring another wave of COVID-19June 1, 2022 -
Osterholm says ‘there will be more variants’ and we need to be preparedMay 11, 2022 -
Some universities announce the return of mask mandatesApril 12, 2022 -
FDA expected to authorize 2nd COVID booster for anyone 50 and overMarch 28, 2022 -
Dr. Osterholm says he is 'sleeping with one eye open' looking for new variantsMarch 2, 2022 -
World Health Organization says unvaccinated people over 60 shouldn't travelDecember 1, 2021 -
Dr. Arwady says Chicago health department has capacity to detect new variantDecember 1, 2021