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Here's why it’s important for those who have already been vaccinated to continue wearing a mask.
1. It takes time for the vaccine to kick in. You won’t reach the nearly 95% effectiveness rate until two weeks after your second-dose of the Pfizer or Moderna vaccine. After the first dose, you do get a partial immune response, which is good news, but it doesn’t mean you’re immediately protected the minute the needle goes in your arm. For the Johnson & Johnson vaccine, you’re considered fully vaccinated two weeks after your single dose.
2. The vaccines do not provide 100% protection. Although the vaccines are incredibly effective (and were nothing short of amazing in terms of turnaround), they only offer 94% to 95% protection. There’s no way to tell who the 5% will be who don’t respond to the vaccine and will still be at risk for COVID-19.
3. Those who have been vaccinated might be asymptomatic spreaders. The vaccines prevent illness, but more research is needed to determine if the vaccines also prevent transmission. Experts are concerned that vaccinated people can still become infected without symptoms and then spread it to others who have not been vaccinated yet. Since the pandemic unfolded nearly a year ago, experts have worried about silent spreaders, aka those who are infected but don’t show symptoms. If vaccinated people don’t continue to wear a face mask until more people are considered fully vaccinated, they could cause the virus to keep circulating. Getting vaccinated means you’re much less likely to get sick and develop symptoms yourself, so it’s critical that we protect others while they wait for their turn to receive the vaccine.
4.We still need to protect those with compromised immune systems and those who can’t be vaccinated. We know that people with chronic medical conditions (like heart disease and cancer) are at risk for developing a severe case of COVID-19. And since this population wasn’t involved in clinical trials, we can’t assume that they’ll have the same effectiveness rate. It’s also recommended that if you’ve had an allergic reaction to any of the ingredients in the vaccine, you shouldn’t get it. If you had an allergic reaction to the first dose, the CDC doesn’t recommend getting the second dose either. Some pregnant women (who are also considered high risk and weren’t included in clinical trials) are opting out of getting vaccinated or choosing to be vaccinated after they give birth. If you’re fully vaccinated, it’s recommended to steer clear of those considered high-risk who are not vaccinated.
5. The vaccine is not an automatic off switch for the pandemic. As much as we’d all like to hope that the vaccine means an instant return to normal – it’s not. But we are on the right track. Instead, it’s now one tool in our kit of resources to fight the pandemic. We’ll need to continue universal masking when in public, hand washing, avoiding large crowds and keep physical distance when we’re around others who are not fully vaccinated.There are more than 330 million people in the U.S. Experts say that 50 to 80% of the population will need to be vaccinated to reach herd immunity, which could take us until the end of 2021. However, widely circulating coronavirus variants and persistent hesitancy about vaccines will keep the goal out of reach.
Sources: Cleveland Clinic, CNN, The New York Times