Iinfluenza and ARI intensity in Bulgaria was low during week No 30 (23.07.2012 -29.07.2012) and the total incidence per 10,000 population was 22.59(during week No 29  the incidence was 24.06). From a total of 380,239 persons under surveillance, belonging to all age groups, a total of 859 ARI cases have been reported (during week No 29  the cases were 915). The incidence was highest in the age group 0-4 yrs (122.68 per 10,000 population), followed by age group of 5-14 yrs (52.08 per 10,000).