During the week No 16 (11.04.2022 - 17.04.2022)  the intensity of ARI and influenzа in Bulgaria is decreasing by comparison  with the previous week (11.04.2022 - 17.04.2022) . The total incidence per 10,000 population was  43,41 (during week No 15 the incidence was 64,65). From a total of  364 882 persons under surveillance, belonging to all age groups, a total of 1584 ARI cases have been reported (during week No 15 the cases were 2359). The incidence was highest in the age group 0-4 yrs (154,44 per 10,000 population), followed by age group of 5-14 yrs (131,03 per 10,000 population).Weekly data for two regions (Sofia-oblastl and Targovishte) -  not entered in the system as yet.  The NRL "Flu and ARI"/NCIPD  reported 1 positive sample for influenza А/H3N2  within week No 16 .