Covid Vaccines in First Trimester Not Tied to Birth Defects, Study Finds

The results of a large study in France are consistent with previous research indicating that Covid vaccination is safe and effective in pregnancy.

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Trump Rattles Vaccine Experts Over Aluminum

The president’s call for removal of the metal from childhood inoculations set off alarms. About half of shots for polio, whooping cough and other diseases would be affected.

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West Virginia’s School Vaccination Law Has Been Effective. That May Change.

The law allows only medical exemptions, and the state has one of the highest childhood vaccination rates. But hundreds of families are seeking religious exemptions.

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Parents Struggle to Find Covid Vaccines for Their Children Amid Regulatory Confusion

Children under 12 need different versions of Covid vaccines, but many pharmacies and pediatricians’ offices aren’t stocking them.

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Kennedy’s Ties to Ally Leading Vaccine Lawsuits Raise Ethical Concerns

Aaron Siri is leading legal efforts on policies that dovetail with parts of Health Secretary Robert F. Kennedy Jr.’s government agenda.

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Kennedy Fires N.I.H. Scientist Who Filed Whistle-Blower Complaint

Dr. Jeanne Marrazzo, who was on administrative leave, alleged that the Trump administration had defied court orders and undermined vaccine research.

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Covid Shots Protect Pregnant Women, but Getting Them Now Can Be Hard

The vaccines are proven to help protect pregnant women and their babies. But regulatory chaos and mixed messaging have made for a confusing landscape.

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Despite False Claims, Trump Funnels Millions Into Credible Autism Research

Many scientists were pleased to learn that N.I.H. funding will go to leading experts examining complex new theories, not only fears over vaccines.

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Vaccine Skepticism Takes Center Stage in a Close Race for Governor

Jack Ciattarelli, the Republican nominee for governor of New Jersey, was a featured speaker at an event sponsored by a leading opponent of vaccine mandates.

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Times Reporters Answer Your Vaccine Questions

We received hundreds of queries about efficacy, safety, cost and access.

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