Iinfluenza and ARI intensity in Bulgaria  was increased during week No 47 (16.11.2015-22.11.2015).   The total incidence  per 10,000 population was 102.29(during week No 46 the incidence was 102.47). From a total of 384 309 persons under surveillance, belonging to all age groups, a total of 3927 ARI cases have been reported (during week No 46 the cases were 3943). The incidence was highest in the age group 0-4 yrs (491.71 per 10,000 population), followed by age group of 5-14 yrs (260.24 per 10,000).