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| WHO expert: New crown mutant strain delta has spread to 92 countries, the vaccine is still effective |
Xinhua News Agency, Geneva, June 21 (Reporter Liu Qu) Experts from the World Health Organization stated at the Geneva headquarters on the 21st that the mutated strain of the new crown virus, Delta, has now spread to 92 countries
.
Although it is more transmissible and the human body's neutralizing antibody titer against the Delta strain is reduced after being vaccinated with the new crown vaccine, the vaccine is still effective in preventing severe illness and reducing deaths
Maria Van Kelkhoff, the technical leader of the WHO health emergency project, said at the press conference that day that the delta strain has been detected in 92 countries and regions so far
.
The delta strain is one of the new coronavirus variants that have been marked by the WHO as "need to pay attention".
Van Kelkhoff said that the first variant of the new crown strain Alpha, which was first discovered in the UK, has spread rapidly around the world, and the Delta strain is more likely to spread than the Alpha strain
.
At present, many countries have begun to relax public health and social distancing measures.
Van Kelkhover pointed out that a recent study in Scotland suggested that the delta strain may increase the risk of patients being admitted to the hospital
.
But this is only a preliminary study carried out in a single country, and the conclusions need to be further verified
Although a recent study published in The Lancet showed that against the Delta strain, the titers of neutralizing antibodies produced by the human body after being vaccinated with the new crown vaccine have been reduced, but Van Kelkhover emphasized that the vaccine is effective for prevention.
Severe illness and reduction of deaths are still effective
.
In addition, she urged the public to take protective measures while ensuring the two doses of vaccines
Van Kelkhover warned that although the vaccine is still effective against the current virus, there may be a series of mutations in the virus in the future that will cause the vaccine to actually lose its effectiveness.
This is exactly what we need to ensure prevention
.
For this reason, the spread of the virus should be avoided and reduced as much as possible, because the wider the virus spreads, the greater the chance of mutation
Focus on the new crown pneumonia epidemic
