It didn’t take long for volunteers working in Carl Junction to notice the mosquitoes. Bug repellent quickly became a standard-issue supply. “We noticed them getting worse after the tornado, as people cut down trees,” said…

LONDON (AP) — The World Health Organization says Malawi has become the first country to begin immunizing children against malaria, using the only licensed vaccine to protect against the mosquito-spread disease. Although the vaccine only…

DEAR DR. ROACH: How does a medical condition get named? Once named, can the name be changed? I have a condition called hemiplegic migraines. Many people with the condition feel it should be renamed because…