USA: Washington State Vaccine Breakthroughs by Variant up to 21st July 2021
This week’s update from Washington State showing vaccine breakthrough cases and which Sars-CoV-2 variant is causing them. Of note this week is another large jump for Delta B.1.617.2 breakthrough cases, … Continue reading USA: Washington State Vaccine Breakthroughs by Variant up to 21st July 2021
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