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Convasel vaccine effective against Stealth Omicron – FMBA

The anti-coronavirus vaccine Convasel is equally effective against practically all variants, including Omicron and its subvariants, the chief of the Federal Medical-Biological agency (FMBA) Veronika Skvortsova told TASS.

“Most epitops in the N-proteins of different SARS-CoV-2 strains are identical. One can expect an identical immune response whenever a person vaccinated with Convasel encounters any of the SARS-CoV-2 strains that are developing actively: Omicron and the Omicron’s subtype BA.2 – Stealth Omicron,” she said.

What is Convasel

The Convasel coronavirus vaccine was developed by the St. Petersburg-based Research Institute of Vaccines and Serums of the Federal Medical Biological Agency and registered with the Russian Health Ministry on March 18.

The vaccine is an emulsion for intramuscular injection. The volume of one dose is 0.5 ml. Earlier, Skvortsova said the vaccine does not provoke allergy.

  • Mass production of the vaccine was launched by the institute on April 5. According to Skvortsova, the institute can manufacture up to two million vaccine doses a month.
  • The Convasel vaccine can be used for revaccination after the inoculation with the Sputnik V, EpiVacCorona and CoviVac vaccines, she added.

Omicron variants

The coronavirus strain B.1.1.529, which is designated by the Greek letter “Omicron”, was discovered in 2021 in southern Africa.

  • According to the federal anti-coronavirus task force, it has been detected in all regions of Russia. In February 2022, it was found to be subdivided into three main lines: BA.1, BA.2, BA.3.

Earlier, the chief of a special group for the development of new methods of diagnostics on the basis of sequencing technologies at the Central Research Institute of Epidemiology under the consumer rights watchdog Rospotrebnadzor, Khamil Khafizov, told TASS the BA.2 subvariant of the Omicron strain, or Stealth Omicron, was the most contagious variant of the coronavirus in the history of the pandemic.

  • He said the share of this variant was as high as 90% of all detected cases of coronavirus infection.

Source: TASS

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