Influenza and ARI intensity in Bulgaria was low during week No 1 (30.12.2019-04.01.2020). The total incidence per 10,000 population was 52.82 (during week No 52 the incidence was 38.99). From a total of 380 356 persons under surveillance, belonging to all age groups, a total of 2009 ARI cases have been reported (during week No 52 the cases were 1483). The incidence was highest in the age group 0-4 yrs (247.32 per 10,000 population), followed by age group of 5-14 yrs (142.63 per 10,000).
Information from National Reference Laboratory of Influenza and Acute Respiratory Infections at NCIPD: During week No 1 totally of 16 samples from suspect patients have been investigated in the NRL of Influenza and ARD by Real Time PCR. 3 positive results for А(Н1N1) 2009, 2 positive results for А(Н3N2) and 1 positive result type B/Victoria were detected.