Chikungunya doubles in Mexico since June

The number of cases of the mosquito borne viral disease, chikungunya, has doubled in recent months as the virus reaches the entire south-southeast of the country. The Yucatan Times puts the case count at 3,306 cases of the virus in 16 states, up from 1,436 in 10 states less than two months ago. As of week 30, ["]