Surgeon General Jerome Adams (Drew Angerer/Getty Images)WASHINGTON, DC - APRIL 22: U.S. Surgeon General Jerome Adams holds up his face mask during the daily briefing of the coronavirus task force at the White House on April 22, 2020 in Washington, DC. Dr. Redfield, has said that a potential second wave of coronavirus later this year could flare up again and coincide with flu season. (Photo by Drew Angerer/Getty Images)

The COVID-19 vaccines from Pfizer and Moderna claim to be over 90% effective in preventing disease, but experts say you should still wear a mask even if you are inoculated.

That is because the pharmaceutical companies tracked people who became ill after they got vaccinated in clinical trials, and not asymptomatic individuals. Research shows as many as 30% of people with COVID-19 show no symptoms, and could be silent spreaders.

According to The New York Times, Michal Tal, an infectious disease specialist at Stanford University, says “a lot of people are thinking that once they get vaccinated, they’re not going to have to wear masks anymore,” adding it is critical people continue donning face coverings since they still could be contagious.

Another reason to be cautious is intramuscular vaccines, like the Pfizer and Moderna candidates, stimulate the entire immune system to produce antibodies that pool throughout the body and might not deposit enough antibody warriors in the nasal passages where the virus likely enters and spreads. Nasal, or mucosal vaccines, are superior to thwarting respiratory viruses, according to the Times.

Experts say the next generation of COVID-19 vaccines could be more targeted to producing immunity in the nose and the rest of the respiratory tract.

According to, Dr. David Callender, president and CEO of Texas-based Memorial Hermann Health System, said a vaccine will not be the answer to the COVID-19 pandemic just yet.

Dr. Callender stressed the need to continue precautionary measures such as wearing masks and social distancing until the vaccine becomes widely available.

“We need to continue to use these precautions,” he told “It will take time for the vaccine to be distributed, administered, and then for the immunity to develop in significant numbers of the population.”

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4 thoughts on “Why Vaccinated People Still Need to Wear a Mask”
  1. Before the invention of the “electron microscope” early pioneers in Science such as Louis Pasteur, biologists would use unglazed porcelain to separate Bacterium from Virus.’ A virus was able to pass through the pores of the unglazed porcelain while bacterium will not. Obviously the “medical experts” missed that “tidbit” on a day in University. So the next time someone says to you “Where a mask!” and “Follow the Science!” Ask them why they don’t practice what they preach? A mask will not save you from a virus as it is much too small. Just think, the kids who are not in school will never learn this bit of historical science and be as ignorant as their parents.

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