Proteinaceous infectious particles causing diseasea are

In modern medicines, certain infections neurological diseases were found to be transmitted by abnormally folded proteins. These proteins are called prions. The word prion comes from proteinaceous infectious particle'.eg. Mad cow disease in cattle, Jacob's disease in human . Find more information about prions.

What term is used for smallest proteinaceous infective particles capable of infection?

The intact virus unit or infectious particle is called :

Name one infectious and non-infectious disease that is the major cause of mortality.

Name some infectious agents which causes infectious diseases.

What type of infectious agents cause elephantiasis disease in humans ?