Two new RSV vaccines—Arexvy (GSK) and Abrysvo (Pfizer)—are available and approved for people aged 60 and older; Abrysvo has also been approved for those between 32 and 36 weeks pregnant to help protect newborns. Here's what to know about side effects of the RSV vaccines, and how to decide if the shot is right for you.
use a small piece of viral genetic material to stimulate our body to produce proteins,” Labus said. “Inactivated vaccines use all the proteins found in killed viruses. And, subunit vaccines, like the RSV vaccines, consist of specific viral proteins grown in a lab.”
However, he noted that “the clinical trials were not large enough to determine the efficacy in reducing hospitalization or death.”, a spokesperson for the National Foundation for Infectious Diseases , toldthat there is no substantial difference between Arexvy and Abrysvo. He recommended getting the one your medical provider has stocked.Do the Vaccines Have Side Effects?
Some clinical trial participants reported developing inflammatory conditions, including Guillain-Barré syndrome , a rare neurological disorder in which the body’s immune system attacks part of the peripheral nervous system. But the CDC said it’s unclear whether the vaccines caused these conditions or if they would have developed anyway.
Out of the roughly 34,000 people who either received the vaccine or a placebo during the clinical trial, roughly 0.5% experienced a life-threatening reaction. Adverse events up to one month after the injection were reported 9% of the time with the vaccine—with about 1% of those injection-related.
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