US FDA Warns About Rare Heart Inflammation to Pfizer and Moderna Vaccines

The US Food and Drug Administration on June 25 added a warning in fact sheets that Moderna and Pfizer vaccine shots indicate a heart inflammation risk. The warning was added after a safety panel of CDC determined that there is an association between the vaccines and several cases of pericarditis and myocarditis in young adults and adolescents, as per analysis provided by the panel.

The CDC says that the findings do not reform the recommendation of getting people aged 12 or above vaccinated against the coronavirus. However, as the vaccination rates are decreasing, the risk may further increase the reasons to not get the vaccination shots.

Patients Reported Heart Inflammation After Vaccination

The condition report is rare, and over 1200 cases are under investigation among 150 million people who received Moderna or Pfizer vaccine. According to the data of Vaccine Adverse Event Reporting System or VAERS of US, there were almost 347 cases observed that have heart inflammation after the second dose of vaccination in males aged from 12 to 24.  In most of the cases, symptoms included pressure or chest pain and abnormal ECG as well as blood test results after the second vaccination shot.

Several cases of heart condition around the world were diagnosed every year before the pandemic due to staph and strep type cold viruses or SARS-CoV-2 virus that caused Covid-19. All these can trigger the heart condition too. CDC officials said they are planning to update their guidance for saying that anyone suffering from heart inflammation after the first dose of the vaccine can delay the second vaccination shot. In addition, the hospitals and doctors have been warned to observe for any indication of the condition among young people.

The majority of the cases having this condition are reported from the Pfizer vaccine recipients, which may also be due to the fact that it is authorized for everyone above 12. Moderna’s vaccines have still not been endorsed for people under the age of 18. There is still uncertainty if the new risk will affect the expanded authorization of Moderna and whether both vaccines will pass for usage in children under 12 years of age. The vaccination rate of Americans getting their first dose of vaccines is decreased about 85% since the middle of April. The White House has declared that the US will be unable to complete the President’s target of having 70% of young people vaccinated by July 4.

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