Public health authorities in Italy have reported 7 cases of Usutu virus disease from the beginning of 2023 to 4 October 2023. Two cases were reported in Piedmont and 5 in Lombardy. Five of the cases were found in blood donors. The other two had neurological symptoms.
Usutu virus is transmitted by mosquitoes and is usually found in blackbirds. It causes disease very rarely in humans. Most cases will have fever, headache and muscle pains, although severe neurological disease can occur.
Travellers to affected areas should be advised to:
There is no vaccine against Usutu virus.