The correct answer is option 3: Common cold. The common cold is caused by a group of viruses called rhinoviruses. These viruses infect the nose and throat, leading to symptoms such as sneezing, runny nose, sore throat, and cough. The common cold is highly contagious and can spread through respiratory droplets when an infected person sneezes or coughs.

Option 1, Typhoid, is caused by the bacteria Salmonella typhi and is transmitted through contaminated food and water.

Option 2, Cholera, is caused by the bacteria Vibrio cholerae and is also transmitted through contaminated food and water.

Option 4, Malaria, is caused by the parasite Plasmodium and is transmitted through the bite of infected female Anopheles mosquitoes.

Therefore, the correct option is 3, Common cold, as it is the common viral disease mentioned in the question.