Yes, blood transfusion are one of the most common causes of spread of infectious diseases. It spreads by the donated blood of an infected person, to the receiver. HIV, Hepatitis, parasitic and bacterial infections are generally caused by such practices.Yes, blood transfusion are one of the most common causes of spread of infectious diseases. It spreads by the donated blood of an infected person, to the receiver. HIV, Hepatitis, parasitic and bacterial infections are generally caused by such practices.