The U.S. Food and Drug Administration has approved the first maternal vaccine intended to help protect newborns against respiratory syncytial virus (RSV).
This vaccine stimulates the immune system to make antibodies against a protein from the virus called the F protein that RSV uses to attach to human cells and cause infection.
This isn't the only vaccine that works in this manner. A booster of the tetanus, diphtheria, and pertussis vaccine, called Tdap, is also recommended to be given to pregnant women between 27- and 36-weeks' gestation to allow protective antibodies to pass on to the baby before birth. The CDC's Advisory Committee for Immunization Practices is scheduled to meet from October 25-27 when they could make a decision on the recommended use of Abrysvo for pregnant women. Now that there are two FDA-approved RSV immunization products for infants, the CDC committee will likely need to determine specific recommendations for both products.Symptoms of RSV include coughing, fever, runny nose, sneezing, wheezing and a decrease in appetite, according to the CDC.
Experts say that any tool to prevent severe infection from RSV benefits babies because there is no specific treatment for this virus other than supportive care.
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