Cholera is a bacterial disease usually spread through contaminated water. Cholera causes severe diarrhea and dehydration. Left untreated, cholera can be fatal within hours, even in...
The World Health Organization stresses that the vaccine is not an effective tool on its own to reduce dengue fever in areas where the illness is common. Preventing mosquito bites and controlling the mosquito population are still the main methods for preventing the spread of dengu...
Vaccine:In areas of the world where dengue fever is common, one dengue fever vaccine (Dengvaxia) is approved for people ages 9 to 45 who have already had dengue fever at least once...
Risk factors:You have a greater risk of developing dengue fever or a more severe form of the disease if:• You live or travel in tropical areas: Being in tropical and subtropic...
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Vaccine:In areas of the world where dengue fever is common, one dengue fever vaccine (Dengvaxia) is approved for people ages 9 to 45 who have already had dengue fever at least once... 
Risk factors:You have a greater risk of developing dengue fever or a more severe form of the disease if:• You live or travel in tropical areas: Being in tropical and subtropic... 
