During the week No 6 (07.02.2022 - 13.02.2022)  the intensity of ARI and influenzа in Bulgaria is increasing by comparison with  the previous week (31.01.2022 - 06.02.2022) . The total incidence per 10,000 population was  94,96 (during week No 5 the incidence was  85,94    ). From a total of  379 739 persons under surveillance, belonging to all age groups, a total of  3606 ARI cases have been reported (during week No 5 the cases were 3219). The incidence was highest in the age group 0-4 yrs (329.89 per 10,000 population), followed by age group of 5-14 yrs (220, 84 per 10,000 population). Data entry from one region (Gabrovo) was not performed.  It is reported that 3 samples of a total 149 tested for influenza in the NRL "Flu and ARI"/NCIPD  were positive for influenza А/H3N2 within reported period.