«In 2006, the World Health Organization and the United Nations Children's Fund released a joint statement that recommended limiting use of iron supplements (tablets or liquids) among children in malaria - endemic areas because of concern about increased malaria risk. (sciencedaily.com)
Malaria risk depends on the region, you would be wise to check out the CDC site to see if where you're going requires precautions. (havebabywilltravel.com)
In general, the researchers found that the parts of Kenya with the highest malaria risk contained people that travelled the most. (newscientist.com)