In the Kaliningrad region, two adults and two children fell ill with swine flu - AH1N1. None of them were vaccinated, according to the regional service of Rospotrebnadzor.
533,929 people, or almost 52% of the population, have been vaccinated against influenza in the region.
According to experts, the symptoms of influenza and covid-19 at the initial stage of the course of the disease are similar - fever, cough, joint pain, headache, loss of strength.