There aren't any. Most regions with high risk of malaria (like India) have malarias that have chloroquine resistance, and the only places without chloroquine re

There aren't any. Most regions with high risk of malaria (like India) have malarias that have chloroquine resistance, and the only places without chloroquine resistant malaria are in Central America and the Caribbean. Hydroxychloroquine is even less effective than chloroquine on those chloroquine resistant malarias. https://pubmed.ncbi.nlm.nih.gov/12837731/ https://pubmed.ncbi.nlm.nih.gov/12837731/ Most Indians, for example, don't take any antimalarials until they actually have malaria.