Dr Denis Graifer, deputy health minister for the Saratov region, said Russian should abstain from 'increased physical stress' after being jabbed - including sex. It comes after Russian were also told to avoid vodka, smoking and visits to the sauna immediately after getting their inoculations. Russia has one of the lowest vaccination rates in the world, with just 13 per cent of the country fully immunized compared to a European average of 30 per cent.