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Is COVID-19 variant Omicron worse than Delta variant?

Anthony Fauci claimed that while it would take weeks to judge the severity of the new Covid-19 variant Omicron, early indications suggested it was not worse than prior strains, and possibly milder.

In general, it's too early to make a claim that omicron has better or worse symptoms than delta. Although anecdotal evidence shows that confirmed cases of COVID-19 caused by omicron have caused mild symptoms, most of those people have been younger, according to South Africa's health department.

Air pollution linked to increased risk of getting sick from Covid-19

The research, published in the journal Environment Health Perspectives on Wednesday, provides further evidence on the health benefits of reducing air pollution, and highlighted the influence of environmental factors on infectious diseases.

Air pollution linked to increased risk of getting sick from Covid-19: Study. LONDON: Long-term exposure to air pollution is associated with an increased risk of developing Covid-19 among people who get infected with the SARS-CoV-2 virus, according to a study conducted in Spain.

The researchers said previous studies have suggested that regions with higher pre-pandemic levels of air pollution had a higher incidence of Covid-19 cases and deaths.

However, the reasons for this associations are not yet clear, they said.

According to the researchers, air pollution could favour airborne transmission of the virus, or it could increase an individual's susceptibility to infection or disease.

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