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Coronavirus live news: lockdowns reduced infection rate by 81%, research shows

Belgium has reported 122 new infections in the last 24 hours and 11 fatalities, compared to 156 confirmed cases and 15 deaths the day before, writes Daniel Boffey, the Guardian’s Brussels bureau chief.

The continued downward trend has allowed the government to allow restaurants and bars to reopen after nearly three months in lockdown.

The prime minister of the Dutch-speaking Flanders region, Jan Jambon marked the moment by inviting photographers to a chicken restaurant close to Brussels’ EU quarter where he enjoyed lunch.

Lockdowns had a dramatic impact on the spread of coronavirus in Europe with strict controls on people’s movements preventing an estimated 3.1m deaths by the beginning of May, with 470,000 deaths averted in the UK alone, researchers say.

Outbreak modellers at Imperial College London said that lockdown slashed the average number of people that contagious individuals infected by 81% and lowered the reproduction number, R, of the epidemic below 1 in all countries they observed.

When R is less than 1 the epidemic is in decline because on average, each infected person transmits the infection to less than one other. As countries ease out of their lockdown, scientists are watching R closely: if it rises and remains above 1, the epidemic will grow exponentially.

The Imperial team pooled data on Covid-19 deaths from 11 European countries including the UK, Italy, France, Spain and Germany, and worked backwards to calculate the extent of transmission several weeks earlier, to account for the time lag between infections and deaths. Lockdown at the end of March reduced the reproductive number of the UK epidemic from 3.8 to 0.63, they calculate.

The model shows that by 4 May between 12 million and 15 million people had become infected, but some nations were hit far harder than others. According to the model Belgium had the largest number of cases per capita with 8% of the population infected, compared with only 0.46% of Norwegians and 0.85% of Germans. Some 5.1% of the UK population was infected, according to a report published in Nature.

“Our model estimates that we are very far away from herd immunity,” said Axel Grandy, a professor of statistics at Imperial and co-author on the study. Herd immunity is achieved when enough people are immune to a virus that outbreaks die out naturally. In the case of Covid-19, scientists believe upwards of 70% of the population would need to be resistant for herd immunity to kick in.

“It tells us we need to be very careful and not to release too much in one go because then you have no control,” Prof Gandy said. “We need to tread very carefully and do things slowly, so we can backtrack should they not work.”

Punters betting on volatile financial markets during the Covid-19 crisis have won more than half of the revenues earned by the online trading platform Plus500, sending the company’s shares down by nearly 8%, writes Simon Goodley for the Guardian’s business desk.

The firm – which operates like a bookmaker and allows traders to place wagers on stock, currency and commodity market movements – said its second-quarter revenues had surged to $249m (£197m), only for that figure to be slashed to about $102.5m because of payouts to customers who had placed winning bets.

Online trading firms tend to experience increases in demand during periods of financial market volatility, such as those fuelled by the effects of the coronavirus pandemic.

Unlike many of its rivals, Plus500 does not generally hedge the bets it takes. This means it loses money when its customers win, and vice versa, which has contributed to a history of fluctuating fortunes for the business.

David Zruia, interim chief executive of Plus500, said:


We have consistently stated that customer trading performance is subject to significant market movements and is therefore likely to fluctuate. This is magnified during periods of heightened market volatility, such as those we are currently experiencing and given the growing scale of the business.

Nonetheless, we continue to expect this performance to revert to a medium-term historical level of near zero and our outlook for the year remains unchanged.

Small fishing boats, fish markets and female workers are among the categories worst affected by the economic impact of the coronavirus crisis on the world’s fisheries, research has found, writes Fiona Harvey, the Guardian’s environment correspondent.

Supply chains around the world have been disrupted by the Covid-19 pandemic, and artisanal fishing – small boats – has borne the brunt, according to the annual report on fisheries by the UN Food and Agriculture Organisation (FAO). While industrial fishing had fallen only by about 6.5% in April owing to the crisis, a large proportion of small vessels around the world have been in effect confined to port, and their markets are uncertain.

In parts of the Mediterranean and the Black Sea, more than 90% of small-scale fishing fleets have had to stop fishing, owing to a lack of markets and falling prices.

The closure of restaurants, hotels and catering has cut off markets for small boats, and led to falling prices, and the resulting disruption has led to an increase in waste, according to an appendix to the annual report, published on Monday for World Oceans Day. Some of these effects are hard to quantify as yet. The main report was prepared before the coronavirus crisis hit, so the appendix contains only preliminary information rather than extensive research, but it indicates a growing difficulty for many small fishing fleets around the world.

Read the original article at The Guardian

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