When it comes to the one-two punch delivered by two-dose COVID-19 vaccines, it’s the second shot that really wallops.
Kristen Choi can attest to that. Choi, a nursing researcher at UCLA, ended up with a host of symptoms, including a fever that peaked at 104.9 degrees, after she got her second shot last year. But the effects soon passed — and they were well worth the much-needed protection against the pandemic, she said.
“I’m very grateful to have gotten the vaccine and to be able to have that protection, and really want to see that opportunity be made available to everyone,” Choi said.
As more Americans line up for the COVID-19 vaccine, some are anxious about the second-dose side effects, which tend to be stronger than the first. But experts say that the symptoms, which range from a sore arm to headaches and nausea, are a sign that the second dose is doing its job: turbo-charging the immune system’s response to the initial dose, and thus providing more vigorous and long-lasting protection against the virus.
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