Tuesday, December 21, 2021

The first American to die of the Omicron variant was an unvaccinated Texas man who had previously caught COVID-19



from Yahoo News - Latest News & Headlines https://ift.tt/3Fufnco

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Harmful mouth bacteria may trigger Parkinson’s disease

A familiar mouth bacterium best known for causing cavities may also be quietly influencing the brain. Scientists found that when this microb...