Will antibodies protect us if we recover from COVID-19? Here's what the data say
And do the COVID-19 antibodies they carry prevent them from infecting others?
Wall Street analysts have covered anecdotal reports of reinfections, which raise other concerns for them about the usefulness of a vaccine and the quality of testing. An unnamed infectious-disease expert told SVB Leerink analysts in April that “reinfection to the same coronavirus is likely, and the immunity may be short-lived.”
There is no scientific consensus yet on whether reinfection with the virus is possible among those who have already recovered. “Right now the information is mixed,” Dr. Maria Van Kerkhove, WHO’s COVID-19 technical lead, said Monday during the news conference. “We need much more information from recovered patients. There’s more than 300,000 people globally who have recovered, and we really need to better understand what that antibody response is.”
Quest Diagnostics Inc. DGX, +4.37% is the latest lab testing company to announce plans to develop antibody tests. Some officials and researchers believe this would allow some people to return to work and loosen the social-distancing restrictions that have hampered the economy in the U.S.
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