
Dengue
Mosquito Spread
 Dengue is transmitted by mosquitoes, so it's associated with areas where they are common. 
She always uses mosquito repellent to lower the risk of getting dengue.
 Tropical Regions
 Dengue is more prevalent in tropical places, so it's often discussed in travel and health advisories. 
The travel clinic advised me to get a dengue vaccine before my trip to the tropics.
 Health Condition
 Dengue refers to a serious illness, and using it shows concern for health issues in affected regions. 
The health organization is raising dengue awareness to prevent outbreaks.