Patients with Chikungunya fever symptom queue up at a help desk at Dhaka Medical College and Hospital in Dhaka, Bangladesh, on July 13, 2017. Bangladesh's capital Dhaka is reeling from a "major outbreak of chikungunya", a viral disease spread by the Aedes mosquito, which is also responsible for Zika virus, with the hospitals reporting nearly 3,000 cases of the disease since May. (Xinhua/Salim Reza)
