The development and distribution of multiple vaccines against COVID-19 has been an unprecedented achievement. However, the side effects of the vaccines have been a source of concern and controversy at times. There are four "troubling symptoms" commonly reported after the second dose of the Pfizer Covid vaccine, according to an article written in the journal Science Immunology. However, the cause of these symptoms should mostly provide comfort not concern, the journal article states.
from Daily Express :: Health Feed https://ift.tt/2TinOEW
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