Note: Your progress in watching these videos WILL NOT be tracked. These training videos are the same videos you will experience when you take the full ProFirstAid Basic program. You may begin the training for free at any time to start officially tracking your progress toward your certificate of completion.
Cross-contamination can occur through direct or indirect means:
Examples of cross-contamination include:
To reduce the risk of cross-contamination, consider the following measures:
Smoking can also lead to indirect contamination. Follow these steps to prevent it: