Hydroxychloroquine is used to prevent or treat malaria infections caused by mosquito bites. It does not work against certain types of malaria (chloroquine-resistant). The United States Center for Disease Control provides updated guidelines and travel recommendations for the prevention and treatment of malaria in different parts of the world.
National Cadet Corps (Singapore) The National Cadet Corps (NCC) is a military cadet corps youth organisation supported by the Singapore Ministry of Defence and the Ministry of Education. As of December 2015, it had a total strength of 18'000+ members.
A nested case control (NCC) study is a variation of a case-control study in which only a subset of controls from the cohort are compared to the incident cases. In a case-cohort study, all incident cases in the cohort are compared to a random subset of participants who do not develop the disease of interest.