Find out how the deadly infectious TB bacterium is transmitted and learn more about the vector cycle with information on causes, symptoms and treatment.

What causes TB?

TB is caused by the bacterium Mycobacterium tuberculosis which usually spreads through the air from an infectious person to others.

Open windows prevent TB

A study has shown that opening windows can be more effective than using mechanical ventilation at reducing the risk of transmission of airborne diseases such as tuberculosis.

Open windows beat germs

Opening windows may offer a simple way to prevent the spread of tuberculosis and other airborne infections, suggests a new study.

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