The prevalence of immunity to the coronavirus that causes COVID-19 may be much higher than previous research suggests according to an intriguing new study by researchers associated with Karolinska Institute in Sweden.
A new German study by researchers associated with the University Hospital Tübingen in Germany reports that people who have been previously infected with versions of the coronavirus that cause the common cold also have some immunity to the COVID-19 virus.
"Moreover, roughly 30 per cent of the blood donors who'd given blood in May 2020 had COVID-19-specific T cells, a figure that's much higher than previous antibody tests have shown."
Some parts of the U.S. are much closer to herd immunity than population-wide antibody testing currently suggests.
Epidemiologists typically estimate that the COVID-19 threshold for herd immunity is around 60 to 70 percent.
If the German study's results prove out, that would suggest that earlier common cold coronavirus infections may provide about eight in 10 people some degree of immune protection from the COVID-19 virus.
The findings in both of these studies are potentially very good news with respect to public health and the course of the COVID-19 pandemic.
A new German study by researchers associated with the University Hospital Tübingen in Germany reports that people who have been previously infected with versions of the coronavirus that cause the common cold also have some immunity to the COVID-19 virus.
"Moreover, roughly 30 per cent of the blood donors who'd given blood in May 2020 had COVID-19-specific T cells, a figure that's much higher than previous antibody tests have shown."
Some parts of the U.S. are much closer to herd immunity than population-wide antibody testing currently suggests.
Epidemiologists typically estimate that the COVID-19 threshold for herd immunity is around 60 to 70 percent.
If the German study's results prove out, that would suggest that earlier common cold coronavirus infections may provide about eight in 10 people some degree of immune protection from the COVID-19 virus.
The findings in both of these studies are potentially very good news with respect to public health and the course of the COVID-19 pandemic.
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