12:25 PM ET
Adding to anxiety currently affecting the NBA amid a spike in COVID-19 cases, multiple players who previously tested positive for the coronavirus have recently tested positive a second time, sources told ESPN.
The CDC defines “reinfection” as a person getting infection, recovering and then later becoming infected again. There are ongoing studies about how long immunity might last, but the CDC says it expects some coronavirus reinfections.
The NBA has announced more than 100 positive tests since last summer, but the actual number since March is believed to be significantly higher. Several teams have more than 10 players who have tested positive at some point over the past nine months, sources told ESPN.
Because testing was less available and there were higher rates of false positives early in the pandemic, there is some level of uncertainty as to how many players had true positive cases early in 2020, especially during the league’s three-month shutdown.
It is possible that some players who tested positive for the virus but were asymptomatic months ago were false positives. Some players have been tested for antibody levels to determine their level of immunity, but there currently isn’t a