![]() Levels of airborne particulate matter and black carbon, also known as soot, around the participants’ homes were higher in the days leading up to their positive test, compared with later control days.Ī single dose of AstraZeneca’s dual-antibody treatment Evusheld could reduce the risk of symptomatic covid-19 by 83 per cent over six months, compared with a placebo. Zhebin Yu at the Karolinska Institute in Stockholm, Sweden, and his colleagues looked at 425 people, average age 25, who tested positive between May 2020 and March 2021. Covid-19 tests are more widely available in Northern Ireland.Įxposure to air pollution may increase your risk of catching SARS-CoV-2 virus. For example, England has scrapped free universal testing, while rules around free tests are also tightening in Wales and Scotland.
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