During the week No 31 (01.08.2022 - 07.08.2022)  the intensity of ARI and influenzа in Bulgaria shows no  serious change in comparison  to the previous week (25.07.2022 - 31.07.2022 ). The total incidence per 10,000 population was  31,54 (during week No 30 the incidence was 32,86). From a total of  379 817 persons under surveillance, belonging to all age groups, a total of  1198 ARI cases have been reported (during week No 30 the cases were 1248). The incidence was highest in the age group 0-4 yrs (141,72 per 10,000 population), followed by age group of 5-14 yrs (70,80 per 10,000 population).