How the Delta Variant Is Changing the U.S. Forecast for COVID-19

WEDNESDAY, Aug. 4, 2021 -- COVID-19 vaccines are helping protect the unvaccinated as the new Delta strain surges across the United States, but experts say its high infectiousness could mean even more people need to take the jab to achieve true herd...
Source: Drugs.com - Daily MedNews - Category: General Medicine Source Type: news