London, March 15 (Ians) Children infected with seasonal common cold are likely to have immunity against Covid-19, according to a research.
During the pandemic, medical doctors and researchers noticed that children and adolescents infected with Covid became less ill than adults.
To understand this, researchers from Karolinska Institutet in Sweden, studied unique blood samples from children taken before the pandemic.
They identified memory T cells that react to cells infected with Sars-CoV-2, the virus that causes Covid.
A possible explanation for this immunity in children is that they already had colds caused by one of the four coronaviruses causing seasonal common cold symptoms, the researchers said.
This new study reinforces this hypothesis and shows that T cells previously activated by the OC43 virus can cross-react against Sars-CoV-2.
“These reactions are especially strong early in life and grow much weaker as we get older,” said corresponding author Annika Karlsson, research group leader...
During the pandemic, medical doctors and researchers noticed that children and adolescents infected with Covid became less ill than adults.
To understand this, researchers from Karolinska Institutet in Sweden, studied unique blood samples from children taken before the pandemic.
They identified memory T cells that react to cells infected with Sars-CoV-2, the virus that causes Covid.
A possible explanation for this immunity in children is that they already had colds caused by one of the four coronaviruses causing seasonal common cold symptoms, the researchers said.
This new study reinforces this hypothesis and shows that T cells previously activated by the OC43 virus can cross-react against Sars-CoV-2.
“These reactions are especially strong early in life and grow much weaker as we get older,” said corresponding author Annika Karlsson, research group leader...
- 3/15/2023
- by News Bureau
- GlamSham
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