The correct option is (b) measles.
Explanation:
Interferons are proteins produced by a cell infected by a virus and provide protection to other healthy cells against infection by viruses. Measles is also viral disease. It is caused by paramyxo virus (RNA virus). Interferon was discovered in 1957 by Issacs and Lindenmann.
Typhoid and tetanus are bacterial diseases and malaria ls a protozoan disease.