Antibody Tests Don’t Tell If Protected From Reinfection: Johns Hopkins

The video discusses the role of antibody testing in determining past exposure to COVID-19 but highlights its limitations in assessing immunity and protection from reinfection. It explains the challenges in understanding immunity due to varying test types and the need for time to study reinfection rates. The video also covers local and global efforts in testing and the importance of masks in preventing virus spread, emphasizing that masks are not a complete solution but part of a broader protective strategy.

What does antibody testing indicate about a person's exposure to the virus?

How do false negatives and false positives affect the interpretation of antibody tests?

Why is it important to understand the level of immunity to COVID-19?

What factors contribute to the variation in COVID-19 testing and responses across different countries?

What role do masks play in preventing the spread of COVID-19?