The majority of infections result in mild illness, including fever and headache.
The vaccine has potential side effects, including fever, headache, joint pain, and fatigue.
Several natural causes (diseases) have been suggested, including malaria and typhoid fever.
Studies have shown severe adverse reactions, including vomiting and fever, in about 10% of the population.
It can cause a variety of problems, including fever, diarrhea, abdominal pain, weight loss and general fatigue.
Many obstetricians don't want their patients to receive any vaccines - especially during the first three months - because of possible reactions, including fever.
Symptoms of the illness, including fever and headache, are usually mild.
During the last two weeks, 14 residents on the floor have suffered respiratory illnesses with symptoms including fever and congestion.
She had been taking sleeping pills following numerous health problems - including "tropical fever".
East Timor is a poor country, with health issues including malaria and dengue fever.