Researchers have shown that antibody levels against SARS-CoV-2 (the COVID-19 virus) stay more durable -- that is, remain higher over an extended period of time -- in people who were infected by the virus and then received protection from two doses of messenger RNA (mRNA) vaccine compared with those who only got immunized.
from Top Health News -- ScienceDaily https://ift.tt/3BFRfAR
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