Thousands of cases of the chikungunya virus, which sickens people bitten by an infected mosquito, have broken out in China during the past week. The virus causes extremely severe joint pain and fever,

Over 7,000 people have caught the chikungunya virus in Guangdong province since mid-June, spreading to 13 cities across one of China’s most crowded regions. Monsoon flooding left standing water everywhere,

The terrifying mosquito-borne disease has swept through the country's Guangdong province with more than 7,000 cases.