In the well-vaccinated wealthier countries, 2022 will be better than 2021
wealthier countries of the world, year three of the pandemic will be better than year two, and covid-19 will have much less impact on health and everyday activities. Vaccines have weakened the link between cases and deaths in countries such as Britain and Israel . But in countries that are poorer, less well vaccinated or both, the deleterious effects of the virus will linger. A disparity of outcomes between rich and poor countries will emerge.
Booster jabs will be more widely used in 2022 as countries develop an understanding of when they are needed. New variants will also drive uptake, says Stanley Plotkin of the University of Pennsylvania, inventor of the rubella vaccine. Dr Plotkin says current vaccines and tweaked versions will be used as boosters, enhancing protection against variants.
Immunity and treatments may be widespread enough by mid-2022 to drive down case numbers and reduce the risk of new variants. At this point, the virus will become endemic in many countries. But although existing vaccines may be able to suppress the virus, new ones are needed to cut transmission.technology, says his firm is working on a “multivalent” vaccine that will protect against more than one variant of covid-19.
Most promising of all are new antiviral drugs. Pfizer is already manufacturing “significant quantities” of its protease inhibitor. In America, the government has agreed to buy 1.2bn courses of an antiviral drug being developed by Merck, known as molnupiravir. This has shown its efficacy in trials, and the company has licensed it for widespread, affordable production.
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