There are several types of face masks that can help protect against the spread of diseases, including respiratory infections like COVID-19. 

One type of mask is the N95 respirator, which is designed to filter out at least 95% of airborne particles, including viruses and bacteria. These masks are typically used in healthcare settings and other high-risk environments. Surgical masks are another common type of face mask. These masks are designed to protect the wearer from large respiratory droplets and splashes, as well as to protect others from the wearer's respiratory emissions. Cloth masks have also become increasingly popular during the COVID-19 pandemic. These masks can be made from a variety of materials, and their effectiveness varies depending on the design and construction. However, they can provide some level of protection against respiratory droplets and can help to reduce the spread of disease.

Overall, wearing a face mask can be an effective way to protect against the spread of diseases, particularly in situations where physical distancing is not possible. However, it is important to use masks correctly and in combination with other preventative measures, such as hand hygiene and physical distancing, to maximize their effectiveness.