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Cross-immunities at work again?

Summary:
Health care workers may be less susceptible to COVID-19 infection than people in the communities they serve, according to surprising early data from an ongoing study at Hoag Memorial Hospital Presbyterian. Of some 3,000 workers tested in May and June, only 1% had antibodies to the novel coronavirus in their blood, despite the fact that the Newport Beach hospital has cared for hundreds of COVID-19 patients. That 1% is far lower than what has been found in wider communities. Some 4-6% of residents in Los Angeles, Santa Clara and Riverside counties had COVID antibodies when surveillance testing was done there over recent weeks and months. “This is what surprises some people,” said Dr. Michael Brant-Zawadzki, principal investigator. “Despite the headlines you see saying health care workers are

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Health care workers may be less susceptible to COVID-19 infection than people in the communities they serve, according to surprising early data from an ongoing study at Hoag Memorial Hospital Presbyterian.

Of some 3,000 workers tested in May and June, only 1% had antibodies to the novel coronavirus in their blood, despite the fact that the Newport Beach hospital has cared for hundreds of COVID-19 patients.

That 1% is far lower than what has been found in wider communities. Some 4-6% of residents in Los Angeles, Santa Clara and Riverside counties had COVID antibodies when surveillance testing was done there over recent weeks and months.

“This is what surprises some people,” said Dr. Michael Brant-Zawadzki, principal investigator. “Despite the headlines you see saying health care workers are at higher risk of contracting the disease, we haven’t seen that. In fact, we’re seeing the reverse of that. The question is, why?”

Obviously some of this is PPE, mask-wearing, and the like.  But all of it?  Here is the Teri Sforza story, via Amihai Glazer.

The post Cross-immunities at work again? appeared first on Marginal REVOLUTION.

Tyler Cowen
Tyler Cowen is an American economist, academic, and writer. He occupies the Holbert C. Harris Chair of economics as a professor at George Mason University and is co-author, with Alex Tabarrok, of the popular economics blog Marginal Revolution. Cowen and Tabarrok have also ventured into online education by starting Marginal Revolution University. He currently writes the "Economic Scene" column for the New York Times, and he also writes for such publications as The New Republic, the Wall Street Journal, Forbes, Newsweek, and the Wilson Quarterly.

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