Natural cross immunity confirmed


Dr. John Campbell

Massachusetts will give you a $75 gift card if you get vaccinated or boosted:…

$75 gift card for getting vaccinated against COVID-19, through Dec. 31st.  Adults and children alike, first dose, second dose, or booster shots.

Cross-reactive memory T cells associate with protection against SARS-CoV-2 infection in COVID-19 contacts:……

Cross-reactive immune responses: Common cold, coronaviruses and SARS-CoV-2. The frequency of baseline cross-reactive T cells is correlated with the infection outcome following SARS-CoV-2 exposure, and we observe significantly higher frequencies of cross-reactive memory T cell responses in PCR-negative contacts.