In general, the vaccines are still very protective against hospitalization across all age groups. The good news is "we are not seeing a lot of reports of serious disease, hospitalization or death," says Dial Hewlett, an infectious disease physician at the Westchester County Department of Health in Westchester, N.Y. The most dramatic declines are related to the vaccine's ability to stop asymptomatic or mild breakthrough infections - for instance, a CDC study of front-line workers found that the vaccines' effectiveness at preventing infections dropped from 91% (in pre-delta times) to 66% after the delta variant became dominant. This should not be cause for alarm, though. The protection afforded by the vaccine is waning slightly over time, particularly as the quick-transmitting delta variant circulates, according to studies from the U.S. Is the vaccine really wearing off over time? How concerned should I be? "I fall into this category myself, and I'm not in a rush to get a booster shot," he says. The extra protection from the booster could serve you well at some point in the future when infections are climbing in your community. But there's also an argument for holding off. If you feel your risk is quite high, then go ahead and get the booster, Dowdy advises.
You have the option of getting a booster, but whether you decide to get one will depend on factors such as how much the virus is spreading where you live, whether other safety measures are in place, your underlying health and your own individual sense of risk. This is also true for people 18 to 49 with certain underlying health conditions.īut the CDC's guidance is not as strong for these groups. People who live in certain congregate settings, such as homeless shelters and prisons, and people who work in high-risk settings, like health care facilities, schools or grocery stores, may also be at higher risk for COVID-19. "For the vast majority of people, there's not an immediate urgency to rush out and get this booster," he says. David Dowdy, an infectious disease epidemiologist at the Johns Hopkins Bloomberg School of Public Health. It's just getting them to baseline.Īside from these groups, it's a closer call about who needs to get a shot, says Dr. People who are immunocompromised also need to get an additional shot, because data show they often don't have an effective immune response. Shots - Health News A study of COVID vaccine boosters suggests Moderna or Pfizer works best
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