BANGKOK (Thomson Reuters Foundation) - The Philippines this week launched the world's first public dengue immunisation programme, vaccinating 600 children at a school in the capital Manila with the goal of reaching 1 million students across the country this year.
Dengue, also known as "breakbone fever", has spread rapidly around the world in recent decades, and about half the world's population is now at risk.
Scientists have been working on a vaccine for decades, and the first one received market approval in December in Mexico.
Several other vaccines are under development, while researchers are also looking at ways to control the mosquitoes that spread dengue and other viruses such as Zika.
Here are some facts about dengue and prevention efforts.
WHAT IS DENGUE?
WHO IS AFFECTED?
HOW CAN DENGUE BE PREVENTED?
HOW EFFECTIVE IS THE VACCINE?
WHERE IS THE VACCINE AVAILABLE?
Sources: World Health Organization, Philippines Department of Health, Sanofi Pasteur.
(Reporting by Alisa Tang, editing by Alex Whiting. Please credit the Thomson Reuters Foundation, the charitable arm of Thomson Reuters, that covers humanitarian news, women’s rights, corruption and climate change. Visit news.trust.org to see more stories)
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