![](https://moodle.thtcentre.com/pluginfile.php/33/course/overviewfiles/communicable-diseases-sq.png)
Please note that this course uses material from Khan Academy, a non-profit educational organization that is not affiliated in any way with THTC. All Khan Academy materials are available for free at www.khanacademy.org
Please note that this course uses material from Khan Academy, a non-profit educational organization that is not affiliated in any way with THTC. All Khan Academy materials are available for free at www.khanacademy.org