Immunologist Kryuchkov: collective immunity to COVID-19 in Russia can be achieved by April 
Visits to public places from February 1, 2022, herd immunity of 80 percent can be achieved in April. Such terms were predicted by the immunologist, candidate of medical sciences Nikolai Kryuchkov, Izvestia reports.
“Everything will depend on the adherence of the population to vaccination. QR codes are a powerful incentive tool. The more regions they introduce them in the near future, the sooner people will think about the need to get vaccinated, “Kryuchkov said.
He added that if herd immunity cannot be achieved in April-May, then by an indicator of 80 percent will be released by the summer.
Earlier, the State Duma introduced bills on QR codes in transport and in public places. The bill does not regulate the work of public transport, pharmacies, grocery stores and retail outlets with essential goods. In addition, according to the initiative, after February 1, QR codes with a negative PCR test will be issued only to Russians with a medical withdrawal from vaccination.