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(Drivebycuriosity) - The US is suffering another Covid-19 wave. The spreading Delta variant rises the number of confirmed daily cases, hospitalizations and deaths. "The U.S. is heading into Labor Day weekend with just over four times as many Covid-19 cases and more than twice as many hospitalizations as at this time last year" wrote cnbc.com. Experts recommend that the fully vaccinated should get another dose (booster) to get the new wave under control.
The new wave has 2 reasons: Insufficient vaccinations and break-through infections. Today are only 52% of the Americans fully vaccinated ( ourworldindata.). The situation is made worse by infections suffered by fully vaccinated people.
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It turned out, that the efficiency of the vaccines is waning over the time. Data from Israel, a country that has one of the world’s highest vaccination rates, indicate that from December 2020 to July 2021 the vaccine protection against both infection and disease had dropped from above 90% to around 40% ( nature).
These numbers explain the frustrating development in Great Britain. UK was very early and already vaccinated a large part of the population before May. Today almost 64% of the Brits are fully vaccinated, the highest rate in Europe ( ourworldindata). But anyway, the UK have also a high and rising numbers of infections (charts below). France, who came late to the game and vaccinated the population more recently, benefits now from fresher vaccinations even though the country vaccinated fewer people than the UK (61%).
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The development in England is a warning. We can expect that many of the Americans, who got vaccinated before May, already lost a part of their immunity and Americans will be less vaccinated in the coming months, when we approach the winter season. The waning immunity will give the Delta variant more fuel and could generate a new wave, which could not only cause more deaths and long-covid issues, it also could endanger the economic recovery. We need boosters now!
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