Influenza is an infectious disease with mostly respiratory symptoms caused by influenza viruses.
Avian influenza in humans
Influenza is an infectious disease with mostly respiratory characteristics caused by RNA viruses.
The most important causative agent of tuberculosis (TB) is Mycobacterium tuberculosis. M. tuberculosis, together with M. bovis, M. africanum and M. microti, form the ‘M. tuberculosis complex’, which is a group within the genus Mycobacterium.
Legionnaires’ disease is a respiratory disease caused by Legionella. The bacteria are able to survive in the nature at a wide range of temperatures.