Is the N95 mask the best mask to use during a fire, air pollution or dust?
Many parts of California experience hazardous air quality due to smoke from seasonal wildfires. There are various types of pr..
Types of masks for dentists
In July 2020, the World Health Organization officially announced the mode of transmission of the Covid-19 disease through aerosols. Before that, several studies had proved ..
What mask should we use to deal with Omicron strain?
Corona virus enters body cells with the help of a protein called spike and causes covid-19 disease. About 30 or more changes in the spike prote..