“Now we sometimes observe that a person is seriously ill, and his antibodies are not very high, this is usually associated with treatment.

The first time we encountered this was during the observation of patients after the swine flu, ”RIA Novosti Malyshev quotes.

He noted that significantly fewer protective antibodies can be produced in patients receiving antiviral drugs.

According to data as of January 25, 19,290 more people were diagnosed with coronavirus infection in Russia per day.

The total number of COVID-19 cases recorded in the country increased to 3,738,690.

Oncoimmunologist Daniil Schepelyaev, in an interview with URA.RU, gave recommendations on vaccination against COVID-19.