The trail of the 2009 flu pandemic had left 526 people infected and 22 died from the disease.
On 29 April it was announced that a 22-year-old traveler from Florida had been held in quarantine in Osijek, Croatia under suspicion of swine flu.
[1] Later that day, however, the Director of Infectious Disease Epidemiology Agency, Dr. Ira Gjenero Margan, stated results of the testing for swine flu were negative "with 99% certainty".
[3] On 15 June, health minister Darko Milinovic confirmed the first case of swine flu in Croatia; however a few hours later he said that a laboratory in London, United Kingdom, had cross-contaminated the samples and thus created a false positive result, meaning that there were no infections in Croatia.
[5] On 31 October, a 61-year-old man from Split became the first patient in Croatia to die because of swine flu.