21. The following increases rate of TB
infection in a population:
• HIV infections
• Appearance of drug-resistant
strains of TB
• Increase in number of
homeless people
34. Primary level
• adequate exercise
• enough rest and sleep
• balanced diet
• avoidance of smoking and alcohol
• good personal hygiene
• breathing fresh air and maintaining good
indoor ventilation
• BCG (Bacille Calmette-Guerin) vaccination
35. All four of the following drugs are
taken everyday for a period of 2
months:
• Rifampicin
• Isoniazid
• *Pyrazinamide
• *Ethambutol
*Myrin-P Forte
Secondary level
36. • always cover mouth when coughing,
sneezing or laughing
• carefully dispose of any used tissues in a
sealed plastic bag
• open windows when possible to ensure a
good supply of fresh air
• do not sleep in the same room as other
people
Tertiary level