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Ventilation cuts the hang-time of nuclei in a shared room.
Most casual outdoor meetings are not how TB spreads. Long indoor sharing of air is the classic setting.
A cough of many weeks, weight loss or night sweats is a reason to see a clinician, especially after known exposure.
Everyday uses
Cough etiquette
Covering a cough protects others from many respiratory diseases, TB included.
Know the weeks rule
Public campaigns often say a cough beyond two or three weeks deserves a check.
Finish prescribed months
If a clinician starts TB therapy, duration is part of the medicine. Do not freelance a stop.
Skip leftover lung pills
Random antibiotics do not treat TB and can complicate later care.
Read Korea's curve
Falling incidence is a programme success, not proof the bacillus left the peninsula.
Everyday talk should drop blame. Programmes work when people can get tested without shame.
Keep exploring
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Familiarity 78Norovirus
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Familiarity 80Helicobacter pylori
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Familiarity 68