Since Rio de Janeiro declared a public health emergency after an outbreak of dengue fever last month, the city has ramped up testing capacities, opened up a dozen of dengue health centers and trained medical staff to attend the ever-growing needs of its population.

Five cases of malaria have been confirmed in Florida and Texas, the first time the potentially fatal mosquito-borne disease has been locally acquired in the United States in 20 years, the Centers for Disease Control and Prevention said Monday