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Delta strain rampant in Indonesia: Reuters reports on breakthrough cases of CoronaVac vaccine protection

More than 350 doctors in Indonesia have contracted the coronavirus despite being vaccinated with CoronaVac from Sinovac Biotech, and "dozens" of them have been hospitalized. The reason is probably a more infectious and virulent delta strain (Δ, aka B.1.617.2, first discovered in India), writes...

The risk of hospitalization from the Δ-strain of coronavirus is almost three times higher than from the “first” mutant

Coronavirus disease from the delta strain (formerly referred to in the media as "Indian") leads to a significant increase in the risk of hospitalization. After checking cases with the disease from March 29 to May 20 and decrypting 38,805 samples of the virus genomes,...

Just one mutation – and the bat coronavirus has learned to infect humans: a study

Just one mutation allows the RaTG13 virus, ineffective in infecting humans to a close relative of the SARS-CoV-2 coronavirus, successfully infecting human cells and intestinal organoids. This conclusion was made by German molecular biologists after the experiments; the preprint of their research is posted...

Scientists have checked the feces and mouths of bats in the south of the Russian Federation. Found “relatives” of SARS-CoV-2

Potential pathogens similar to the pandemic coronavirus are circulating among bats in the southern Krasnodar Territory of Russia near Ukraine. This is the conclusion reached by the scientists of the Center. Hamaleas in the Russian Federation by checking the feces and swabs from the...

Coronavirus. What should be the second generation vaccine: the development of American biologists

To maximize protection against coronavirus, the next generation of vaccines should target not only the S-protein of viral particles, but also against the N-protein in which the genetic code of the pathogen is "packed". The authors of two candidate vaccines write about this in...

Israel clarifies the effectiveness of the Pfizer-BioNTech anti-coronavirus vaccine

The vaccine from Pfizer-BioNTech a week or more after the second dose is 95.3% effective against coronavirus infection. Updated estimates of the effectiveness of a biological product in the fight against the COVID-19 epidemic in Israel were published by The Lancet.   The authors used surveillance...