Since the swine flu broke out, the influenza pandemic has circled the globe. Despite the mild weather, many people from different countries have contracted the infection.
Forty-six Bulgarians have shown symptoms of swine flu, according to information of the national reference laboratory of influenza and acute respiratory infections with the national center of infectious and parasitic diseases.
Worldwide, 170,000 people have contracted swine flu. Sixteen thousand swine flu cases have been registered in Europe.