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Covid-19: International travel biggest impact on deaths
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International travel had the biggest impact on Covid death rates for countries hit in the pandemic s first wave, a study has found.
Researchers in Aberdeen focused on the world s worst affected 37 countries.
They examined factors including border arrivals, population density, the percentage of people living in urban areas, age, and health issues.
The team said early restrictions on international travel could have made a difference in the spread.
The study looked at counties including America, the UK, Spain, France, Italy and Brazil, and focused on the early stages of the pandemic.
Coronavirus: Aberdeen study finds international travel led to increase in deaths
A research team at Aberdeen University
examined a range of factors, including international arrivals, population density, the percentage of people living in urban areas, age, average body mass index and smoking prevalence.
They then compared these to mortality rates across the 37 countries most severely affected by the first wave of the pandemic.
They found that once adjustments were made for these factors, as well as for the impact of socioeconomic and environmental conditions and healthcare systems, the biggest increase in death rates was associated with international arrivals.
Their work focused on the early stages of the pandemic, using international travel data for 2018 as a proxy for 2020 data before international travel restrictions were imposed.
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