1. What are some human
diseases caused by bacteria
and what are their respective
modes of transmission?

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The main human bacterial
transmitted by respiratory secretions
(, cough) and saliva drops :
bacterial pneumonias, tuberculosis,
whooping (pertussis), diphtheria,
bacterial meningitis. bacterial
diseases transmitted by or sexual
contact are: , syphilis. Main
bacterial diseases by animal
vectorsare: bubonic , endemic
typhus, leptospirosis. Some
diseases transmitted through fecal-oral
and contaminated food are:
, typhoid fever. Other important
infections: Hansen's disease,
possibly by saliva drops and
with injured skin and ;
trachoma, eye disease transmitted
ocular secretions; tetanus, transmitted
the etiological agent enters
body through skin wounds.