If former COVID-19 patients prove susceptible to reinfection, they could further the spread of the virus to others, the organization said on Saturday.
warnings about reinfection, as countries consider issuing “immunity passports” that would allow antibody-positive individuals to resume normal activities.
If former COVID-19 patients who have these antibody certifications prove susceptible to reinfection, the organization said, they could further the spread of the virus to others. While preliminary studies show most former coronavirus patients have certain levels of antibodies in the blood, some may not have enough to offer future protection.
If people assume they have post-infection immunity, they may be more likely to ignore public health advice, WHO added.“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’...
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