Examples from several countries suggest that the Chinese vaccines may not be very effective at preventing the spread of the virus, particularly the new variants.
Countries like Mongolia, Seychelles and Bahrain relied on Covid-19 vaccines made by China to combat the coronavirus pandemic, but are now battling a surge in infections, according to a report in New York Times (NYT).
Examples from several countries suggest that the Chinese vaccines may not be very effective at preventing the spread of the virus, particularly the new variants.
In Seychelles, Chile, Bahrain and Mongolia, about 50 to 68% of the populations have been fully inoculated with Chinese vaccines, outpacing the United States, according to Our World in Data, a data-tracking project.
"If the vaccines are sufficiently good, we should not see this pattern," said Jin Dongyan, a virologist at the University of Hong Kong. "The Chinese have a responsibility to remedy this."
Amid uncertainty over how countries with relatively high inoculation rates are suffering new outbreaks, scientists have pointed out to relaxing of social controls and careless behaviour.
Israel, which has the second-highest vaccination rate in the world with shots from Pfizer after Seychelles, reports 4.95 new Covid-19 cases per million. On the other hand, Seychelles, which relied mostly on Sinopharm, that number is more than 716 cases per million.
China, as well as the more than 90 nations that have received the Chinese shots, may end up as a country that is fully vaccinated but partly protected from the virus, contending with rolling lockdowns, testing and limits on day-to-day life for months or years to come. Moreover, economies could remain held back, reported NYT.
Beijing saw its vaccine diplomacy as an opportunity to emerge from the pandemic as a more influential global power. China's top leader, Xi Jinping, pledged to deliver a Chinese shot that could be easily stored and transported to millions of people around the world.
Mongolia, relying on Chinese aid, quickly rolled out an inoculation program and eased restrictions, vaccinating 52 per cent of its population. However, it recorded 2,400 new infections on Sunday, quadrupling from a month before.
In a statement, China's Foreign Ministry said it did not see a link between the recent outbreaks and its vaccines. It cited the World Health Organization as saying that vaccination rates in certain countries had not reached sufficient levels to prevent outbreaks, and that countries needed to continue to maintain controls, according to NYT.
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