Mexico has approved the use of the world’s first vaccine against dengue fever.
The deadliest form of the mosquito-borne disease kills 22,000 people per year, according to the World Health Organisation.
French pharmaceutical company Sanofi said it developed the vaccine, Dengvaxia, over the past 20 years.
Some 40,000 people will receive the treatment in Mexico in an initial phase.Dengue fever affects more than 400 million people a year across the world, mainly urban areas in tropical and sub-tropical climates.
The world’s first dengue fever vaccine
