Common cold infection might provide some level of protection against Covid, study finds

A new study suggests that the common cold virus could offer some level of protection against Covid-19.

Research published by scientists at the University of Glasgow found that rhinovirus, which causes the common cold, triggers an immune response that appears to block SARS-CoV-2 replicating in cells of the respiratory tract.

Further mathematical calculations studies showed that this virus-virus interaction could have a population-wide effect and that an increasing prevalence of rhinovirus could reduce the number of new Covid-19 cases.

Human rhinoviruses cause the common cold and are the most widespread respiratory viruses found in people.

Previous research has shown that interactions between rhinoviruses and other respiratory viruses can affect the type and severity of infections in individuals, and the way in which they infect and circulate around groups of people.

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