Japan’s health ministry has listed inflammation of the heart muscle and of the outer lining of the heart in younger males as possible serious side effects of the Moderna and Pfizer COVID vaccines.
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It says that as of November 14, out of every one million males who had the Moderna and or Pfizer vaccine, such side effects were reported in 81.79 males aged 10 to 19 and 48.76 males in their 20s.
Source: https://www3.nhk.or.jp/nhkworld/en/news/20211204_12/
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