Yellow fever and several species of mosquitoes. In cities, it is spread primarily by "Aedes aegypti", a type of mosquito found throughout the tropics and subtropics. The virus is an RNA virus of the genus "Flavivirus". The disease may be difficult to tell apart from other illnesses, especially in the early stages. To confirm a suspected case, blood sample testing with polymerase chain reaction is required. A safe and effective vaccine against yellow fever exists, and some countries require vaccinations for travelers. Other efforts to prevent infection include reducing the population of the transmitting mosquito. In areas where yellow fever is common
Tokyo Fever music video for "Tokyo Fever." Type B, which featured a yellow backdrop, contained the bonus track "Dilemma," its corresponding instrumental and the dance version of "Tokyo Fever." Type C, which had a pink backdrop, carried the bonus track "Gimme a call," its corresponding instrumental and a dance tutorial video for "Tokyo Fever." For "Tokyo Fever," the lyrics were written by Saeki Yuusuke and Japanese duo CLARABELL, with the rap portions written by Lead's rapper Shinya Taniuchi. "Bokura no Yogaakeru Made" lyrics were written by PALEO with the music written by BOY SKI MASK, DEY GON GET IT, along with PALEO.