In this edition of the IAEA Bulletin, you will learn about infectious diseases more generally and how countries work with the IAEA to build their capacity to deal with them. In Sierra Leone, for example, specialists are drawing on IAEA expertise to test whether bats are infected with the Ebola virus. In Latin America and the Caribbean, IAEA support is helping countries deal with malaria, dengue and Zika as well as the mosquitoes that spread these devastating illnesses.