Sanofi Pasteur, Sanofi's vaccines unit, said on Tuesday that its dengue vaccine, Dengvaxia, had received market approval in eleven countries.

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To date the vaccine has been approved in Mexico, the Philippines, Brazil, El Salvador, Costa Rica, Paraguay, Guatemala, Peru, Indonesia, Thailand and Singapore, the statement said.

Dengue fever is a mosquito-borne disease caused by four virus serotypes (1 to 4) as categorized by the World Health Organisation. Overall, the disease is seen as a threat to about half of the world's population. Some 400 million people are believed to be infected annually.