West Nile Virus: 95 cases in Romania in 2026, the majority amongst people aged 60–69

The National Institute of Public Health (INSP) announced on Friday that between 3 June and 16 September 2026, a total of 95 cases of West Nile virus infection were recorded in Romania. Of these, 83 were confirmed and 12 were classified as probable.

According to the INSP's weekly report, 5 deaths were recorded, all involving elderly individuals who also suffered from other conditions (comorbidities). The death toll remained unchanged from the previous report.

Who is most affected

The highest number of cases was recorded in the 60–69 age group, with 25 cases. The 50–59 and 70–79 age groups each recorded 19 cases, whilst 11 cases were reported among people aged over 80. A single case occurred in a teenager aged between 15 and 19, with the remaining cases involving adults under 50.

Distribution by county

The highest number of cases — 37 — was reported in the city of Bucureşti. At county level, the breakdown is as follows: Ilfov – 10, Călăraşi – 6, Giurgiu – 6, Ialomiţa – 5, Brăila – 4, Galaţi – 3, Teleorman – 3, Argeş – 2, Cluj – 2, Constanţa – 2, Iaşi – 2, Prahova – 2, Suceava – 2, Bihor – 1, Botoşani – 1, Buzău – 1, Dâmboviţa – 1, Harghita – 1, Mureş – 1, Satu Mare – 1, Vaslui – 1 and Vrancea – 1.

What the authorities recommend for prevention

• Avoiding exposure to mosquitoes by wearing clothing that covers the arms and legs (long sleeves and trousers)
• Using mosquito repellents
• Using insecticides inside the home and in the surrounding area
• Fitting protective screens on windows
• Eliminating stagnant water from the garden by draining puddles and removing any containers where water may collect
• Removing household waste from the vicinity of homes

These measures are recommended in particular for elderly people, who, according to INSP data, represent the most affected group and are at the greatest risk of severe complications.