The correct option is A Plague-Viral disease.
Plague is a bacterial disease caused by enterobacteria Jyersinia pestis. It is epidemic disease reported by World Health Organisation(WHO). Whereas, typhoid caused by S. typhii and can be diagnosed by Widal test, Malaria caused by P. falciparum causes cerebral malaria or malignant malaria and the common cold is a viral infection caused by Rhinovirus. Thus, the correct answer is option B.