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Travel A mutated strain of COVID-19 causes most new infections in Europe and was spread around the continent by tourists, scientists say

13:40  29 october  2020
13:40  29 october  2020 Source:   businessinsider.com

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a group of people standing around a luggage carousel at an airport: Arrival of tourists and residents at Pablo Ruiz Picasso Airport in Malaga, after the government opened the borders on the first day without COVID-19 virus alarm on June 22, 2020 in Malaga, Spain. Europa Press News/Europa Press via Getty Images © Provided by Business Insider Arrival of tourists and residents at Pablo Ruiz Picasso Airport in Malaga, after the government opened the borders on the first day without COVID-19 virus alarm on June 22, 2020 in Malaga, Spain. Europa Press News/Europa Press via Getty Images
  • Most new COVID-19 cases in Europe come from a mutated variant of the virus spread from Spain by tourists, scientists said in a report Thursday.
  • The coronavirus variant originated in north-east Spain in June and was carried abroad by tourists and other travelers, the scientists said.
  • There isn't enough data to suggest this variant, known as 20A.EU1, is more deadly, the team from the University of Basel, ETH Zürich in Basel, and SeqCOVID in Spain said.
  • The variant, known as 20A.EU1, has been identified in 12 countries across the continent, as well as Hong Kong and New Zealand.
  • Visit Business Insider's homepage for more stories.

The majority of new COVID-19 cases in Europe stem from a mutated strain of the virus that started in Spain and was spread across the continent by tourists, scientists said in a report Thursday.

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The number of new coronavirus cases in the Netherlands has risen by more than 10,000 in 24 hours The government press office said Borissov was able to carry out his duties and was in constant Scientists around the world are racing to develop a vaccine against Covid - 19 , which has killed Hospitals are strained in several states including North Dakota, which is the hardest hit based on

The cause of the disease was soon confirmed as a new kind of coronavirus, and the infection has since spread to many countries around the world Covid - 19 is a respiratory illness and is largely spread via droplets in the air. These are typically expelled when an infected person coughs or sneezes.

The variant likely originated in farm workers in northeast Spain, where it was first recorded in June, they said.

The team of scientists from the University of Basel, ETH Zürich in Basel, and SeqCOVID in Spain said a suspected "superspreader" event accounted for early proliferation of the virus, which was then spread abroad by tourists and other travellers.

By October, the variant had been identified in 12 countries across the continent, as well as Hong Kong and New Zealand, they said.

There is no data yet to suggest this variant is more deadly, they said.

The variant of SARS-CoV-2, known as 20A.EU1, had spread to at least six European countries by late July.

Hundreds of variants of the virus are present in Europe, but few are as widespread as the 20A.EU1 cluster, the scientists said.

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Download the daily number of new reported cases of COVID - 19 by country worldwide. Distribution of cases of COVID - 19 by continent (according to the applied case definition and testing strategies in the The number of deaths in Europe was less than the negative numbers reported by Spain that day.

"This variant, 20A.EU1, and a second variant 20A.EU2 ... account for the majority of recent sequences in Europe," the scientists said.

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Holidaymakers returning from Spain played a significant role in the spread of the virus across Europe, the researchers said.

More than four in five new cases of the virus in the UK have come from this variation, and the scientists linked this to around 250 individual transmissions of the virus to the country in July and August.

In comparison, analysis of viral sequences in Hong Kong suggests infections there came from just one source, and the New Zealand samples could be from as few as three separate transmissions from Europe.

The variant is mainly contained within Europe because of inter-continental travel, the scientists said. Authorities have allowed quarantine-free travel for parts of the summer.

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Paul Wells said the NHS Covid - 19 app allowed him to "carry on as normal" even after his husband had uploaded a positive test result and been told to self-isolate. "It's very frustrating to hear that processes or systems are not working correctly, especially with something that is high risk," he told BBC News.

More data resources. Download the daily number of new reported cases of COVID - 19 by country worldwide. Situation dashboard - COVID - 19 cases in Europe and worldwide. This interactive platform allows users to explore the latest available data on COVID - 19 , including cases and deaths

The rise in prevalence of 20A.EU1 across Europe "implies that the summer travel guidelines and restrictions were generally not sufficient to prevent onward transmission of introductions," the scientists said.

The variant could be more infectious than the usual SARS-CoV-2 strain, the team added, but they said it's "particularly difficult" to conclusively determine why the variant is spreading so quickly.

The scientists don't know whether the variant is more severe because of a lack of data, they added. Genomic surveillance allow them to detect and track this cluster, but "the absence of consistent and uniform sequencing across Europe has still limited our efforts."

Governments should take the data into account when planning a return to travel across Europe, the researchers added.

The report comes after France and Germany both announced tougher lockdown restrictions Wednesday.

The countries will face a one-month lockdown, where bars and restaurants will have to close again. In France, non-essential shops also aren't allowed to remain open, while in Germany, hotels can't host tourists, and gyms and theaters must shut.

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