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Vaccine

A substance used to stimulate the body's production of antibodies in order to provide immunity against a disease. In many countries, influenza vaccines are available for people in particular danger of getting the flu.

Vasicine

A chemical found in the tropical plant, Adhatoda vasica which has been used in India for centuries to treat cough. It is a forerunner of the active ingredient in Mucosolvan®, Ambroxol.

Virus

A microscopic agent, smaller than bacteria, that infects living cells and uses the cell to keep itself alive and to reproduce. Viruses can cause respiratory diseases such as influenza and the common cold.

Viral infection

An illness causes by infection by a virus. See also: Virus