Denis - The COVID info guy - · 3w "What we know (and don't) about Covid-19's effect on the immune system." 4. Covid-19 vaccine 5. 172% increased risk 6. Other illnesses 7. 49% of Covid infections are asymptomatic https://mediacdn.au... Denis - The COVID info guy - @Denis - The COVID info guy - 1780884818 "What we know (and don't) about Covid-19's effect on the immune system."8. What we don't know🔹COVID-19 and Immune System Impacts, Source Citations