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Johann Zhang

My name is Johann Zhang and I am a senior in high school. I enjoy working in app development and I plan to use STEM to fulfill my Citizen Science endeavors.
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Which lasts longer, the immunity after getting infected with Covid-19 or the immunity from the vaccine? In terms of immunity from Covid-19 itself, it’s not known how long the immunity lasts. However, studies have confirmed that it is highly unlikely that a person will be infected twice in a 90 Read more…

By Johann Zhang, 4 yearsFebruary 9, 2021 ago
Recent Posts
  • Cardiovascular Exercise and Stress
  • COVID Variants
  • How mRNA Vaccines Work (Video)
  • How does the COVID-19 Vaccine Work?
  • What’s in your vaccine?
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