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Pfizer and Moderna Vaccines Are Likely to Produce Long-Lasting Immunity, Study Suggests

Wondering if the Vaccine Worked? Get the Right Test, at the Right Time

Wondering if the Vaccine Worked? Get the Right Test, at the Right Time

How the ‘Alpha’ Coronavirus Variant Became So Powerful

Immunity to the Coronavirus May Persist for Years, Scientists Find

Coronavirus Vaccines Protect Pregnant Women, Another Study Suggests

Vaccines Are Effective Against the New York Variant, Studies Find

Vaccines Won’t Protect Millions of Patients With Weakened Immune Systems

Vaccines Won’t Protect Millions of Patients With Crippled Immune Systems

Vaccinated Mothers Are Trying to Give Babies Antibodies via Breast Milk

Virus Variants Threaten to Draw Out the Pandemic, Scientists Say

Getting One Vaccine Is Good. How About Mix-and-Match?

Getting One Vaccine Is Good. How About Mix-and-Match?

Coronavirus Reinfections Are Rare, Danish Researchers Report

Some Long Covid Patients Feel Much Better After Getting the Vaccine

Some Long Covid Patients Feel Much Better After Getting the Vaccine

Virus Variants Likely Evolved Inside People With Weak Immune Systems

Ebola Survivor Infected Years Ago May Have Started New Outbreak

Women Report Worse Side Effects After a Covid Vaccine

People Who Have Had Covid Should Get Single Vaccine Dose, Studies Suggest