Behavior change: Encourage people not to buy antibiotics without a prescription. In case of illness, go to a doctor instead of going straight to the pharmacy.
Education: to tell people about the problem of antibiotic resistance and the dangers of buying antibiotics without a prescription.To tell doctors about the classification of antibiotics and how to prescribe them correctly.
Explain to people that antibiotics should be bought by doctor's prescription only. And also explain to doctors not to prescribe antibiotics "just in case".