More than 55 million doses of the COVID-19 vaccine have been administered in the United States, according to the Centers for Disease Control and Prevention (CDC).
More
Americans have received the vaccine developed by Pfizer-BioNTech (28 million)
than the Moderna-developed vaccine (26 million).
About 15
million people have already received a second dose.
The only
coronavirus vaccine shots approved for use in the U.S. right now are versions
from Pfizer and Moderna, each of which requires two shots.
It is known
that the first vaccine teaches your body how to react to the virus. The second
dose has stronger side effects because your body has now been exposed to that
vaccine once and your immune system has boosted somewhat so it is more common
to see reactions with dose two.
The U.S Food
and Drug Administration reported the most common side effects are pain in the
injection site, fatigue, muscle pain, chills, headache, joint pain and fever.
The FDA also
reported more people are experiencing those side effects after the second dose,
and vaccine providers and recipients should expect it.
Read more: What should you do before and after getting a COVID-19 vaccine
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Read more: The side effects of COVID-19 vaccines and messages from volunteers
Mild side effects of the COVID-19 vaccination tend to clear up within 48 hours of injection. Serious side effects, such as anaphylactic allergic reactions, are rare.
Dr. Wilbur
Chen, of the University Of Maryland School of Medicine said " It’s very
variable. It’s hard for me to say who is going to get those side effects and if
they’re going to be more profound after that first or second dose"
He said
compared to people who are older, those younger than 65 years old, who have
more robust immune systems, might respond to the vaccine with more severe
symptoms.
They feel
like they’re very achy, feverish, have a sore throat or a headache, and it
might be severe enough that they want to call out sick from work for a day or
two.
He said if symptoms do develop, they might show up within a few hours after vaccination, they typically won’t last longer than two days.
Read more: The reasons why you should worry about AstraZeneca vaccine
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Read more: Comparing vaccines: country of origin, safety, efficacy, and approval
They can be treated with over the counter medicine, such as ibuprofen, acetaminophen or naproxen.
It is not
recommended you take these medicines before vaccination for the purpose of
trying to prevent side effects because it is not known how these medications
may impact how well the vaccine works.
The fear of side effects should not discourage people from getting the full course of vaccination, pointing out that while the first dose of vaccine improves your immunity by about 50 percent, it’s only about 2 weeks after the second shot that vaccine protection against symptomatic COVID-19 rises to 95 percent.
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