Reducing transmission by having everyone wear a face mask is simple, cheap, and highly effective. We offer you 3-layer disponsable medical masks, KN95 / FFP2 masks and Reusable cotton protective face mask,
Washing hands with soap and water is the best way to get rid of germs in most situations. If soap and water are not readily available, you can use an alcohol-based hand sanitizer that contains at least 60% alcohol. You can tell if the sanitizer contains at least 60% alcohol by looking at the product label.
Read research article about Low-cost measurement of face mask efficacy for filtering expelled droplets during speech.