"The results (of studies) from England indicate a significant decrease in the effectiveness of the vaccine against symptomatic disease with the omicron strain compared to delta after two doses of Pfizer-BioNTech Comirnaty, or AstraZeneca Vaxzevria," the RIA Novosti document was quoted as saying.
At the same time, it is indicated that two weeks after inoculation with a booster dose of Pfizer vaccine, the effectiveness of the drug against the new strain increases.
Earlier, the WHO spoke about the situation with the recognition of the Sputnik V coronavirus vaccine.