During the week No 21 (23.05.2022 - 29.05.2022 )  the intensity of ARI and influenzа in Bulgaria is decreasing by comparison  with the previous week (16.05.2022 - 22.05.2022 ) . The total incidence per 10,000 population was  27,93 (during week No 20 the incidence was  33,25, data corrected). From a total of  379 817 persons under surveillance, belonging to all age groups, a total of 1061 ARI cases have been reported (during week No 20 the cases were 1263). The incidence was highest in the age group 0-4 yrs (120,38 per 10,000 population), followed by age group of 5-14 yrs (91,63 per 10,000 population). The NRL "Flu and ARI"/NCIPD   does not report  positive samples for influenza  within week No 21 .