Acknowledgements
This course was written by Audrey Brown.
Except for third party materials and otherwise stated (see terms and conditions [Tip: hold Ctrl and click a link to open it in a new tab. (Hide tip)] ), this content is made available under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Licence.
The material acknowledged below is Proprietary and used under licence (not subject to Creative Commons Licence). Grateful acknowledgement is made to the following sources for permission to reproduce material in this course:
Course image: Heiti Paves in WikiMedia made available under Creative Commons Attribution-ShareAlike 3.0 Licence.
Figure 1 CDC/Janice Carr & Jeff Hageman
Figure 2 Janice Carr/CDC
Figure 3 (b) Dr L Caro/Science Photo Library
Figure 6 (c) Kyle Laughlin/Flickr Photo Sharing.
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