UPMC sees modest increase in COVID-19 cases in children, warns risk higher than ‘at any other time’

Sources

1/ https://Google.com/

2/ https://www.post-gazette.com/news/health/2021/09/08/UPMC-COVID-19-delta-variant-vaccinations-masking-testing-higher-risk-for-children-than-ever-before/stories/202109080124

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