Microsoft launches ‘Plasma Bot’ to recruit recovered COVID-19 patients to help treat sick ones

The antibodies in recovered patients’ blood may be an effective novel coronavirus treatment

Microsoft is launching a self-screening tool for people to check whether they qualify to donate their plasma in the hopes of creating a treatment for those with COVID-19, according to a company blog post. The tool is part of the company’s work with a group called the CoVig-19 Plasma Alliance.

When someone is infected with a virus, their immune system produces antibodies to fight it. Once the infected person recovers, they have these antibodies in their blood.

“The sooner recovered COVID-19 patients donate convalescent plasma, the sooner the Alliance may be able to start manufacturing a potential therapy and begin clinical trials,” according to the post. “These trials will determine if this therapy could treat patients who are at risk for serious complications from COVID-19.”

Giving the antibody-infused blood plasma of a recovered person to a newly infected person who may not have antibodies yet might help the sick person recover faster. This isn’t a new treatment; it was used to treat diphtheria in the 1890s and used — effectively — during the 1918 flu pandemic. Plasma infusions also have been used to treat people with diseases like SARS, measles, and chickenpox.

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