Common cold is caused by

Severe Acute Respiratory Syndrome $(SARS)$:

Which of the following viruses has $dsDNA$ as the genetic material and is transmitted mainly by sexual contact?

Recently,$Chikungunya$ and $Dengue$ cases were reported from various parts of the country. Choose the correct vector responsible for these diseases.

Which of the following causes respiratory distress without affecting the lungs?

Which one of the following is a common disease caused by a virus?