Both the coronavirus and the rising pollution can cause deaths

Air Pollution And Covid-19: The rapid spread of the coronavirus can be attributed to the high transmissibility of the SARS-CoV-2 virus, but a new study has linked higher mortality to environmental factors, particularly PM 2.5.

Researchers from the National Yang Ming Chiao Tung University in Taiwan revealed that PM 2.5 affected the transmission of SARS-CoV-2 and then the severity of the disease.

Several previous studies have shown a relationship between Covid-19 disease rates and air pollution levels. Studies have indicated that PM 2.5 can act as an environmental carrier facilitating the transmission of SARS-CoV-2.

A new research published in the Journal of Hazardous Materials found that PM 2.5 induced protein abundance of SARS-CoV-2 receptor ACE2 in mice and then increased SARS-CoV-2 pseudovirus infection in vitro and in vivo.

"Our current findings provide the first evidence in vitro and in vivo that exposure to PM2.5 increased ACE2 expression and worsened SARS-CoV-2 infection," the team said in the research paper. The instillation of PM2.5 impaired the expression of RAS proteins, increased the abundance of ACE and ACE2 proteins in the lungs of mice, and increased SARS-CoV-2 morbidity.

Problems caused by pollution

Another recent study published in Environmental Health Perspectives has linked air pollution to long-lasting Covid symptoms such as fatigue, breathlessness, and cognitive issues.

Researchers at the Barcelona Institute for Global Health (ISGlobal) in Spain showed that air pollution can affect the severity of the rapid infection. As a result, exposure to PM2A.5 and PM10 can increase the risk of Covid.

The researchers said that although air pollution is not directly responsible for long-term Covid, it can increase the severity of early infection, which in turn increases the risk of coronavirus in the long run.

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