What to Know About mRNA Vaccines

Health Secretary Robert F. Kennedy, Jr., has repeatedly questioned the safety of mRNA vaccines against Covid-19. Scientists with funding from the National Institutes of Health were advised to scrub their grants of any reference to mRNA. Around the country, state legislatures are considering bills to ban or limit such vaccines, with one describing them as…

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Who Is Casey Means, Trump’s Pick for Surgeon General?

President Trump said on Wednesday that he would nominate Casey Means, a Stanford-educated doctor turned critic of corporate influence on medicine and health, as surgeon general. Dr. Means, an ally of the health secretary, Robert F. Kennedy Jr., has described becoming disillusioned by establishment medicine. She rose to prominence last year after she and her…

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Genetic Study Retraces Covid’s Origins in Bats

In the early 2000s, a coronavirus infecting bats jumped into raccoon dogs and other wild mammals in southwestern China. Some of those animals were sold in markets, where the coronavirus jumped again, into humans. The result was the SARS pandemic, which spread to 33 countries and claimed 774 lives. A few months into it, scientists…

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