What is tomato flu and what causes it?
The Uttarakhand government has issued an alert after 28 cases of "tomato flu" were found in the state. Tomato flu, officially known as Hand, Foot, and Mouth Disease (HFMD), is a viral infection caused by the Coxsackievirus. HFMD usually occurs in infants and children; however, adults with weak immunity may become infected.