11.   They have complained of a variety of symptoms, including chronic fatigue, skin disorders, muscular pains and shortness of breath.

12.   These include stomach cramps, muscular pain, nausea, vomiting, fever, and sometimes blood in the stool.

13.   Victims develop symptoms similar to the common flu, such as coughing, fever and muscular pain.

14.   Infection with dengue viruses produces a spectrum of clinical illness ranging from fever and severe muscular pains to severe and fatal bleeding.

15.   A spokesman at the National Institute of Virology said symptoms start with muscular pain, headaches, dizziness and nausea.

16.   The symptoms are a rapid fever, headaches, muscular pains, vomiting and bloody diarrhoea.