Masks have several medical uses, including:

1. *Surgical masks*: worn by healthcare professionals to prevent the spread of infections and bodily fluids.
2. *Face masks*: used to protect against airborne pathogens, such as COVID-19.
3. *Oxygen masks*: provide oxygen therapy for patients with respiratory issues.
4. *Anesthetic masks*: used in anesthesia to deliver gases and oxygen.
5. *Respiratory masks*: help patients with respiratory diseases, like asthma or COPD.
6. *Dust masks*: protect against inhaling dust and particles.
7. *Isolation masks*: used to isolate patients with contagious diseases.