In Dengue fever, the number of platelets gets reduced to 25,000-30,000 per cu mm of blood.
Major symptoms of dengue are high fever, severe headache, fatigue, nausea or vomiting, pain in the abdomen, pain in joints and muscles.
The cells in our blood which destroy disease-causing germs, are : (a) platelets (b) skin cells (c) RBCs (d) WBCs