Question

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

Answer 1

The main human bacterial infections transmitted by respiratory secretions (sneezes, coughing) and saliva are bacterial pneumonia, tuberculosis, whooping cough (pertussis), diphtheria, and bacterial meningitis. The main bacterial diseases transmitted by blood or sexual contact are gonorrhea and syphilis.

The main bacterial diseases transmitted by animal vectors are the bubonic plague, endemic typhus, and leptospirosis. Some bacterial diseases transmitted through the fecal-oral route and contaminated food are cholera and typhoid fever.