Thousands of children go missing in China every year, and parents say officials have so far done little to help recover them.
Find out what is H1N1, what are the symptoms and what to do if you have them as well as how to prevent catching the flu.
Take the quiz and test your knowledge about Influenza A H1N1 also known as “swine flu.”
The World Health Organization raised its flu alert on April 29, signaling a H1N1 virus pandemic is "imminent" as a toddler in the United States became the first to die of the disease outside of Mexico. The flu so far has mostly affected North America, where authorities have taken measures to contain its spread.