Health
Vaccines work against Covid — but not enough people are getting the shots, U.S. doctor says – CNBC
The more the virus spreads, the greater the risk of new Covid variants that can evade current vaccine protection, says Vanderbilt…

Vaccines are working against Covid-19, including the highly contagious delta variant but the challenge is in getting enough people inoculated, according to a professor of preventive medicine at the Vanderbilt University School of Medicine.
“Leaving it in…
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