General Science • BiologyMedium
What is the primary mode of transmission for the infectious bacterial disease tuberculosis affecting human lungs?
A. Direct vector transmission through mosquito bites
B. Inhalation of airborne droplets expelled through coughing or sneezing by infected individuals✓ Correct Answer
C. Consumption of contaminated untreated drinking water
D. Direct sexual contact with carriers of the pathogen
💡 Solution & Explanation
Tuberculosis is caused by the bacterium Mycobacterium tuberculosis, which spreads primarily through airborne droplets released when an infected person coughs, sneezes, or speaks. Mosquitoes transmit vector-borne diseases like malaria, whereas waterborne pathogens cause cholera and typhoid. The BCG vaccine provides immunization against severe forms of tuberculosis.
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