Greater than 160 South Koreans examined optimistic a second time for the novel coronavirus final month, weeks after being discharged from medical supervision. Some symptom-free People have been barred from donating their blood plasma to assist deal with others as a result of they’re nonetheless testing optimistic.
The revelations are producing concern that individuals who have had Covid-19 are getting contaminated anew—one thing scientists say present proof doesn’t assist.
Here’s what we all know, and don’t know, about the potential of changing into sick with the virus greater than as soon as.
I lately recovered from Covid-19. Does that imply I can’t get it once more?
Most scientists say that individuals who have had Covid-19 achieve some immunity to the virus that causes it. What they don’t know is whether or not that safety lasts just a few months, just a few years or a lifetime.