Covid-19: International travel 'biggest impact' on deaths

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Datum: 6-2-2021 BBC

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.

They found an increase of one million international arrivals was associated with a 3.4% rise in the mean daily increase in Covid-19 deaths.

The researchers used international travel data for 2018 as a proxy for 2020 before international travel restrictions were imposed, to match travel trends with the pattern of the virus.

Future waves

Tiberiu Pana, one of the authors of the study, said: "We found that international travel was the strongest predictor of mortality increase.

"Our assessment of available data indicates that very early restrictions on international travel might have made a difference in the spread of the pandemic in western Europe, including the UK.

"These findings are particularly important as the world looks to control future waves and strains of the Covid-19 pandemic and prevent related deaths."

The medical student said the level of a country's BCG vaccination coverage also appears to have a played an important role.

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