Should those who have had COVID-19 and recovered be issued an “immunity passport” or “risk-free certificate”?

Biology/Immunity Infection and Spread

A: The World Health Organization states, “At this point in the pandemic, there is not enough evidence about the effectiveness of antibody-mediated immunity to guarantee the accuracy of an “immunity passport” or “risk-free certificate.”” Main reasons why: Laboratory tests that detect antibodies to SARS-CoV-2 in people need further validation to determine their accuracy and reliability Read more…

Are there neurological issues, other than strokes, that I should worry about?

Biology/Immunity Clinical Symptoms

A: Yes and no. Most of the other neurological complications seen to date have occurred later in disease progression (some time after active COVID-19 symptoms). There is some concern that COVID-19 can have effects on neural cells in the brain through the same mechanism that the virus enters other cells (ACE-2 receptor). There is also Read more…

I have been hearing about young, healthy people who didn’t have overt symptoms of COVID-19 having strokes. What does this mean?

Biology/Immunity Clinical Symptoms

A: We are still learning a great deal about the virus. Early reports from Italy and China have demonstrated that patients positive for COVID-19 are at an increased risk of developing blood clots, which can increase the risk of stroke due to occlusion of the blood vessels (1). Increasing cases of young, otherwise healthy people Read more…