https://t.co/Y7lkdLCxA9 One-shot Covid-19 vaccine developed at Beth Israel not as effective as two-shot vaccines https://t.co/nZqEETfRip #Boston — Phillip B. Reeves (@bostonmylove) January 30, 2021
https://t.co/Y7lkdLCxA9 One-shot Covid-19 vaccine developed at Beth Israel not as effective as two-shot vaccines https://t.co/nZqEETfRip #Boston
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