Core Viewpoint - The World Health Organization (WHO) has issued a warning regarding the spread of chikungunya virus, urging countries to prepare for potential outbreaks as approximately 5.5 million people are at risk globally, with 119 countries reporting cases [1] Group 1: Current Situation - As of July 22, over 3,000 confirmed cases of chikungunya have been reported in Foshan, Guangdong Province, since the first case was detected on July 8 [1] - The Beijing Center for Disease Control has noted occasional imported cases, indicating a persistent risk of case importation due to increased international exchanges [1] Group 2: Transmission and Symptoms - Chikungunya is primarily transmitted through mosquito bites, specifically by Aedes mosquitoes, with no evidence of human-to-human transmission [2] - Symptoms include fever, rash, and severe joint pain, with most patients experiencing mild cases that typically resolve within 5 to 7 days [4][3] - The clinical characteristics observed include low to moderate fever, rash appearing within 1 to 3 days, and significant joint pain, particularly in the fingers and ankles [3][4] Group 3: Prevention Measures - Key prevention strategies include eliminating mosquito breeding sites, such as standing water, and using household mosquito repellents [6] - Recommendations for personal protection include installing screens on windows, using mosquito nets while sleeping, and wearing light-colored long-sleeve clothing outdoors [6] - Individuals exhibiting symptoms such as high fever, severe joint pain, or rash, especially with a history of mosquito bites or travel to affected areas, should seek medical attention promptly [6]