Infection with variant omicron strain BA.2 most commonly manifests as symptoms such as fatigue and dizziness. Loss of sense of smell is also not uncommon, Anna Cherkashina, head of scientific group of Central Research Institute of Epidemiology of Rospotrebnadzor, told TASS. According to the specialist, omicron strain BA.2 usually manifests itself in the form of fatigue and dizziness. Other symptoms such as coughing, sneezing, sore throat and loss of smell are also possible. According to the federal operational headquarters for the control of coronavirus, subspecies BA.2 is now identified in all regions of Russia. Its share in Russia is about 8% of the total number of infections. No data on the spread of this subspecies in Armenia are available yet.