Table 3.

Development of resistant chlamydia during treatment with rifampina

Expt no.Day of harvest postinfectionMIC (μg/ml)
Original chlamydia0.0075
1144
11664
120256
2144
2204
  • a Emergence of resistance was observed in 3 of 50 wells (6%) for experiment 1 and 2 of 18 wells (11%) for experiment 2.