Chinanews.com, February 20. According to the US Chinese website, the Centers for Disease Control and Prevention (CDC) released a new report on the 19th, listing people after being injected with the new crown vaccine from Pfizer or Modena. The most common side effects that may occur.

  According to reports, the CDC report is based on data submitted to the agency's SMS security system and a national vaccine security surveillance program.

The relevant analysis uses the data from the first month of the start of vaccination work for the new crown vaccine in the United States, that is, the data between December 14, 2020 and January 13, 2021. During this period, more than 13.7 million doses were inoculated.

Data map: On December 14, 2020, Stephanie, a nurse at the Jewish Medical Center in Long Island, New York, received the new crown vaccine.

Photo by China News Agency reporter Liao Pan

  The CDC pointed out that the agency received 6994 reports of post-vaccination adverse events, of which 6354 were classified as "non-serious" and 640 were "serious", with 113 deaths.

According to data, the median age of vaccinators is 42 years, and most adverse events occurred in women.

  According to reports, the most common side effects after vaccination are headache, fatigue and dizziness, followed by chills and nausea.

The CDC said people also reported reactions such as muscle soreness, fever, joint pain and pain at the injection site.

Data shows that the frequency of reactions after the second shot of Pfizer vaccine is higher than that of the first shot.

The CDC said that after the second injection, the risk of fever and chills in the vaccinated person is more than four times higher than after the first injection.

  Data from the Centers for Disease Control and Prevention showed that 46 of the reported incidents had anaphylactic shock, which is a serious and possibly life-threatening allergic reaction.

Usually accompanied by the following symptoms: itchy rash, swelling of the tongue or throat, difficulty breathing, vomiting, dizziness, and low blood pressure; the above symptoms often occur within a few minutes to a few hours.

The agency said that of the 113 reported deaths, two-thirds occurred in long-term care facilities.

  The report pointed out that medical experts said that side effects of vaccines are a common phenomenon, and the occurrence of this phenomenon can indicate that the vaccine is effective as expected.

Many doctors advise the public to prepare for the possible side effects of the vaccine injection, especially after the second dose of the vaccine.

  Both Pfizer and Modena have admitted that their vaccines may cause side effects similar to the symptoms of mild COVID-19, such as muscle pain, chills and headaches.

The CDC recommends that people discuss taking over-the-counter medications with their doctors if they feel pain or discomfort after the injection.