Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Emergence of drug resistance. For the first 3 weeks of the treatment the ethambutol-resistant sub-population decreased as a proportion of the whole population in both non-treated controls and the systems treated with the standard regimen. Interestingly there was an increase in the ethambutol-resistant subpopulation on day 28, and this was greater than the proportion present at the start of the experiment.
