Women and people under the age of 40 are more likely to experience side effects from COVID-19 vaccines, an expert told The Post on Friday.
“Women and young people have more local reactions: arm pain, a day not feeling so good, or aches and pains,” according to Dr. William Schaffner, an infectious disease expert at Vanderbilt University.
“People wonder if it’s because women have more estrogen, but that remains to be studied,” he said.
“The short answer is that there have to be reasons for it, but we don’t know what they are,” Schaffner added.
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Side effects of COVID-19 vaccines range from nausea and flu-like symptoms to nothing at all, but your reaction says nothing about how you would have fared against the virus, experts said.
“I don’t think there is any relationship between his reaction to the vaccine and what would have happened to him if he had been infected with the virus,” Schaffner said in an interview with CBS affiliate WFMY.
But regardless of the severity of post-vaccination symptoms, which this week included nausea and dizziness for 11 people at a Colorado Johnson & Johnson closed jab site, the injections are equally effective for everyone, experts said.
“People will say, ‘Well, if I didn’t have a reaction, does that mean the vaccine didn’t work?’ and the answer is no, “Dr. William Moss, a vaccine expert at Johns Hopkins University, told the outlet.
He added: “[There are] no implications for protective efficacy … no implications for how your body would respond if infected with the actual SARS-CoV-2. “
On Wednesday, about a dozen people suffered adverse reactions to the Johnson & Johnson vaccine at Dick’s Sporting Goods Park in Commerce City, prompting officials to shut down the site.
The Colorado Department of Public Health and Environment later emphasized that the side effects experienced were “consistent with what to expect” with the single-dose injection.
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As of Friday, more than 112 million people had received at least one dose of the COVID-19 vaccine in the US.
This story first appeared in The New York Post.