Consider the following statements:
1. Dengue is a protozoan disease transmitted by mosquitoes.
2. Retro-orbital pain is not a symptom of dengue.
3. Skin rash and bleeding from nose and gums are some of the symptoms of dengue.
Which of the statements given above is/are correct?
(a) 1 and 2 (b) 3 only (c) 2 only (d) 1 and 3