Tags: Coronavirus | Coronavirus Special | spain | antibody study | herd immunity

Spain Antibody Study Raises Questions About Herd Immunity

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By    |   Wednesday, 08 July 2020 10:43 AM

A recent study reveals that despite the fact Spain was one of the worst countries affected by the coronavirus, not enough people developed antibodies to provide herd immunity for the disease.

Only 5% of 61,075 participants in the study presented with antibodies, a far cry from the 50 to 90% of the population required to achieve immunity, according to Johns Hopkins University.

The new research was conducted by Harvard, the Massachusetts Institute of Technology, and several Spanish organizations, according to CNBC. Spain has the third-highest number of deaths relative to population, with 607 deaths per million people.

Volunteers answered a questionnaire on coronavirus symptoms and then were given either a finger prick test or were asked to donate blood for analysis. The results showed that only 5% of the participants who had the point-of-care finger prick tests had antibodies, while antibodies were detected in 4.6% of the ones who donated blood samples.

“Despite the high impact of COVID-19 in Spain, prevalence estimates remain low and are clearly insufficient to provide herd immunity,” the authors wrote, according to CNBC.

According to CNN, the European Center for Disease Prevention and Control says this is the largest study to date and confirms the findings of smaller studies done in China, Switzerland, and the U.S. that show that even in areas with widespread circulation of the disease, the majority of the population remains unexposed and still vulnerable to infection.

“At present, herd immunity is difficult to achieve without accepting collateral damage of many deaths in the susceptible population and overburdening health systems,” the authors wrote, according to CNN.

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A recent study reveals that despite the fact Spain was one of the worst countries affected by the coronavirus, not enough people developed antibodies to provide herd immunity for the disease.
spain, antibody study, herd immunity
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2020-43-08
Wednesday, 08 July 2020 10:43 AM
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