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COVID-19's death toll in northern Italy was staggering. Did air pollution play a role?


COVID-19 s death toll in northern Italy was staggering. Did air pollution play a role?
Janna Brancolini
© Provided by The LA Times
A member of the Italian Red Cross, with military escorts, visits the homes of COVID-19 patients in Bergamo, Italy, in April 2020. (Marco Di Lauro / Getty Images)
When Chiara Geroldi takes off her makeup at night, she can see the pollution that comes off with it. Her terrace is full of dust that needs to be swept constantly, and her hair gets dirty faster outside.
“Bergamo is a highly polluted area,” said Geroldi, 50, who works as an archivist. “It’s a very industrial city. The air isn’t good here, especially in winter.” ....

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Did air pollution play role in Italy's big COVID death toll?


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A year later, Italy’s COVID-19 fatality rate remains the fourth-highest in the world, after Mexico, Peru and Hungary, according to Johns Hopkins University. Of the country’s 99,000 deaths, almost a third were concentrated in the wealthy northern region of Lombardy.
Researchers in Europe quickly noticed that coronavirus hot spots seemed to correspond to relatively polluted areas around the world, such as Bergamo, New York and parts of China, and began investigating. A study published in the December issue of the journal Cardiovascular Research
concluded that exposure to tiny particles 2.5 micrometers or smaller, known in scientific shorthand as PM2.5 particles, was correlated with a higher percentage of avoidable deaths from COVID-19 among those who came down with the disease. ....

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