More than 283.5 million doses of coronavirus vaccine have been administered worldwide since Saturday morning, and nearly 60.6 million people have received the full two-dose regimen. A growing number of studies provided additional data on the effectiveness of vaccines in recent weeks. Israel has shown that the Pfizer / BioNTech vaccine works in real-life conditions as well as it does in clinical trials. The vaccine effectively prevents severe COVID-19, hospitalizations and deaths, even when faced with the UK mutation. Researchers in Britain have come to similar conclusions, which provide efficacy data for people who only received one dose of the drugs Pfizer or AstraZeneca / Oxford. Separately, studies have shown that COVID-19 survivors have the same immune response after a dose as people who never had COVID-19 get two doses.
After nearly three months of vaccinations in North America, Europe, Israel and other countries, it is also clear that side effects are minimal. The most common side effects include pain at the injection site and brief flu-like symptoms, especially after the second dose. But researchers have learned more details about the side effects of the coronavirus vaccine in recent months. Now, the Centers for Disease Control and Prevention (CDC) has just updated its vaccination guidelines with three adverse effects that people should be aware of.
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A few days ago, researchers warned people that a specific mild side effect of the COVID-19 vaccine could appear several days after the first or second dose, rather than immediately: skin problems, including redness and rashes. These adverse reactions were observed after Moderna strokes, especially after the first dose. They are not a cause for concern and tend to disappear on their own in a few days.
The CDC made some changes to its coronavirus vaccine guidelines on Friday and added three new side effects to the list. Initially, the agency described six possible adverse reactions. Two are local (pain and swelling) and four are systemic (fever, chills, fatigue, and headache), as seen below.
The new guidelines include nine possible side effects of the coronavirus vaccine. In addition to pain and swelling in the arm where the shot is administered, people may also experience redness. As for systemic reactions, the CDC added muscle pain and nausea to the list. Muscle pain should not be confused with pain at the injection site.
These reactions are an indication that the immune system is responding to the perceived threat, the vaccine, and developing immunity. Coronavirus antibodies should begin to appear approximately two weeks after the first punch and maximum protection is obtained about two weeks after the second injection.
The guidelines also provide helpful tips for dealing with side effects. “Talk to your doctor about taking over-the-counter medications, such as ibuprofen, acetaminophen, aspirin, or antihistamines, for any pain and discomfort you may experience after getting vaccinated,” the guidelines said. “You can take these medicines to relieve the post-vaccination side effects if you have no other medical reason that prevents you from taking these medicines normally.”
The CDC also reminds people that it is not recommended to take these medications before vaccination to prevent side effects.
After vaccination, people can use cool, damp cloths on the vaccine area to reduce pain and discomfort, and use or exercise the arm. Drinking plenty of fluids and dressing lightly can help with the general side effects that can appear. The CDC advises people to inform their doctors if these side effects do not go away after a few days. If the redness or tenderness of the arm gets worse after 24 hours, people should also consider contacting a doctor.
Information from the CDC on the side effects of the coronavirus vaccine is available at this link.
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Chris Smith began writing about gadgets as a hobby, and before he knew it, he was sharing his views on technology issues with readers around the world. Whenever he doesn’t write about gadgets, he can’t get away from them, even though he tries desperately. But that’s not necessarily a bad thing.