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Delta differences are starting to spread, threatening Covid’s progress in the EU

The Delta coronavirus that has invaded the UK has become more prevalent in Portugal and has appeared in groups across Germany, France and Spain, prompting European health officials to warn of possible risks to reduce its spread.

Although the new crisis, which began in India, accounts for only a fraction of all aeronautical cases in Europe, it is starting, according to a Financial Times survey by analyzing global data from the Gisaid website. They contain 96% of Covid-19 infections in Portugal, more than 20% in Italy and about 16% in Belgium, FT counts show.

Small but growing cases have raised concerns that the Delta divergence could halt the progress the EU has made in the past two months in bringing new diseases and deaths to a slight decline from the autumn.

“We are fighting to eradicate the virus and eradicate the epidemic, and we must not allow another Delta to become dominant,” French Health Minister Olivier Véran told reporters at a vaccination center in Paris on Tuesday.

Véran stated that 2% to 4% of the virus samples being detected in France show it as a Delta type: “You could say this is low but similar to what happened in the UK a few weeks ago.” FT analysis on Gisaid data indicates that this figure may be large.

In Portugal, the spread of the virus has been found in the larger Lisbon area, where more than 60% of new coronavirus cases in the country have been identified. Unnecessary round trip trips are banned this week to prevent the spread of the spread across the area.

Scientists across the region are looking at the UK – where Covid-19 cases doubled again last month and Delta records about 98% of all new infections – to determine what the future holds and what needs to be done.

After examining the Delta government’s response to a 2.2-fold increase in the risk of hospital stay compared to the Alpha species, the UK government this week set a one-month delay in removing coronavirus residues.

“The decisions that the UK is making to re-create life and the people will be like a laboratory for us in Europe,” said Bruno Lina, a virologist at Lyon who advises the French government and helps unite various parts of the country.

Whether the Delta disease groups that cause the EU become major epidemics depends on the proportion of people who have received the full vaccine, scientists have said, and the human reaction now that many barriers to life and business are being lifted.

A chart showing that there are indications that many countries are now seeing the spread of Alpha color change, and Delta's growth

Recent UK government studies have shown the need to complete vaccination programs as soon as possible. According to data collected by Public Health England, the first dose of Covid-19 vaccine is usually less effective against Delta than previous models. Dual dosage increases immunity to blood diseases and Delta from 33% to 81%.

While in the UK about 46% of the population received adequate immunizations, vaccination in most European countries is flying between 20% and 30%. About 26 percent of people in France have been fully vaccinated.

French authorities are currently trying to control the epidemic in the Landes region, near the Spanish border, where 125 Delta cases have been confirmed by genetic tracking and another 130 are suspected, representing about 30% of recent diseases in the region. Delta shells have also been found in recent weeks in the southern suburbs of Paris by a technical school in Strasbourg.

Healthcare providers have always responded with the same approach: re-establishing communication and re-testing the affected population.

“By advancing vaccination, as well as other home remedies, such as masks at home, we can prevent the spread of the virus in the summer,” says Lina, a French virologist. “These changes will change everything else – we must remember – but that does not mean it will bring a new epidemic.”

Vaccine centers in Jutland, Denmark
Denmark has found only a small percentage of the Delta virus, although the differences reached the country around the same time as in the UK © Henning Bagger / EPA-EFE

Some scientists fear that the Delta diversity may have already spread but has not been discovered since few regimes required to identify species have been achieved in mainland Europe. While the UK has been tracking more than 500,000 Sars-Cov-2 genomes, Germany, France and Spain have investigated approximately 130,000, 47,000 and 34,000 respectively.

Antoine Flahault, director of the Institute of Global Health at the University of Geneva, said: “It’s expensive, time-consuming and neglected.”

Denmark, however, has been increasing the number of cases and has only identified a few Delta patients, although the difference reached the country almost immediately in the UK.

This can be explained in detail, experts say, in terms of population and logistical distribution, as well as the number of cases imported from densely populated areas, such as India, and the way they live in the area where they were sown.

Delta’s diversity in Europe remains a “little secret”, says Jeff Barrett, director of the Covid-19 Genomics Initiative at the Wellcome Sanger Institute in Cambridge.

However, many experts believe that wherever a type of Delta is established, it will eventually become stronger. The key, they say, is to increase the number of people who are fully vaccinated, and to reduce the spread of the virus as much as possible.

“We need to keep the message clear,” Lina told Lyon. “This is not enough.”

Additional reports by Daniel Dombey, Peter Wise, Guy Chazan and Clive Cookson


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