Study: Past COVID Infection Could Protect Against Colds — VOA Learning English
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A new study suggests that people infected with COVID-19 in the past may receive protection against some kinds of common colds.
COVID-19 is one of several coronaviruses known to affect humans. The new research found that past COVID-19 infections can lower the risk of getting colds caused by other coronaviruses. Studies have shown coronaviruses account for about one in five colds.
Researchers involved in the study say their results could support future efforts to improve COVID-19 vaccines or develop new ones.
The study examined COVID-19 tests from more than 4,900 people who sought medical care between November 2020 and October 2021.
It showed that people previously infected with COVID-19 had a 50…
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