Could Pollen Be Driving COVID-19 Infections?
March 10, 2021 Scientists trying to understand the recurring waves of coronavirus infections around the globe say they ve noticed a pattern: As pollen levels increased in outdoor air in 31 countries, COVID-19 cases accelerated.
Yet other recent studies point in the opposite direction, suggesting that peaks in pollen seasons coincide with a fall-off in the spread of some respiratory viruses, like COVID-19 and influenza. There s even some evidence that pollen may compete with the virus that causes COVID-19 and may help prevent infection.
So which is it? The answer may still be up in the air.
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