New study shows that about 1.6% of Wisconsin had COVID-19 antibodies in July


Coronavirus
This scanning electron microscope image SARS-CoV-2 (orange) known as 2019-nCoV, the virus that causes COVID-19, is isolated from a patient in the US, the surface of cells (green ) Emerges from the laboratory.
NIAID-RML

Madison, Wis. – A new statewide study shows that about 1.6% of the Wisconsin population had COVID-19 antibodies in July.

The study was conducted in conjunction with the Wisconsin Department of Health’s Wisconsin School of Medicine and Public Health’s Survey of the Health of Wisconsin (SHOW) and the Wisconsin State Laboratory of Hygiene.

According to a news release, if a person experiences symptoms, antibodies indicate that a person has been infected with a coronovirus.

“These preliminary study results provide better insight into exposures occurring in the months before June and July,” said ShowO director Kristen Malecki.

According to Malecki, the survey for the presence of antibodies across the state is designed to test a sample of people three times in 2020 2021.

The first round of the three rounds was completed in mid-August. The SHOW and DHS teams are preparing to begin the second round in October and the third round sometime this winter.

According to a news release, antibody positivity rates vary by region in the state. Antibody positivity rates ranged from approximately 2.6% in the southeast to 0.3% in the western regions.

Malecki said the current results are preliminary. The final result is expected in early 2021.

“There is still a lot to be learned about how long antibodies remain in the human body after infection and whether they are protective against future infections,” Malek said.

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