A swan found dead in eastern Croatia tested positive for the H5N1 strain of bird flu, authorities said today – bringing to three the number of regions in Croatia where the deadly virus has been detected since October.

Croatia reported a new case of H5N1 in wild fowl today – the country’s second outbreak of the deadly strain of bird flu since October.

Dead swans found in a Croatian nature park were infected with the lethal H5N1 bird flu strain, the agriculture ministry said today after receiving test results from a British laboratory.