TB and antitubercular agents

Question 1

high risk groups

Answer 1

see slide 16

Question 2

transmission

Answer 2

inhalation of droplets containing M tuberculosis from infectious pt
1-5 micorn droplets formed when coughing sneezing taking - small to implant alveoli
droplets suspended in air for hours
3-10 tubercle bacilli

each untreated person infect 1015 ppl/yr