Want to keep your heart healthy? Many things can be done to keep healthy heart whatever your age. And perhaps you have often heard and often read it as well but nothing wrong here I will reiterate and remind you.
2021-07-28
Pfizer-BioNTech’s vaccine gets slightly weaker over time, company data shows, but remains strong in preventing severe disease.
By BY CARL ZIMMER AND SHARON LAFRANIERE from NYT Health https://ift.tt/3iZpVX4
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