(b) Influenza
Influenza is a viral infection that attacks the respiratory system - nose, throat and lungs. Influenza is commonly called the flu, At first, the flu may seem like a common cold with a runny nose, sneezing and sore throat. It transmits through air/droplet, direct contact, fomite-borne. Therefore if we come in contact with a person who got influenza, we are likely to get sick as well.