Americans 'do not need' COVID-19 booster shot, FDA, CDC say

In a statement published hours after Pfizer signaled its intention to file for emergency use authorization for a COVID-19 booster shot, the FDA and Centers for Disease Control and Prevention (CDC) said fully vaccinated Americans “do not need” an extra dose at

Cold weather virus in summer baffles docs, worries parents

The recent emergence of a virus that typically sickens children in colder months has baffled U.S. pediatricians and put many infants in the hospital with troublesome coughs and breathing trouble. RSV, or respiratory syncytial virus, is a common cause of cold-like symptoms

Moderna testing mRNA flu vaccine in clinical trial

Moderna has begun testing an mRNA flu vaccine in clinical trials, with the company announcing Wednesday that the first participants had been dosed in the Phase 1/2 study. The vaccine, mRNA-1010, is Moderna’s first seasonal flu vaccine candidate to enter clinical trials

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