The Center For Disease Control (CDC) has recommended that men shave their beards if wearing a mask to protect themselves against the coronavirus. Beards can catch food crumbs, spilled drinks and dust - so they can also easily catch particles could infect them with the coronavirus or any virus that can be easily spread.
Fellas, you don't have to go baby smooth, but the chart below shows you what facial hair styles are okay. Most mustaches are fine, along with some styles like the "Zorro" and "Walrus" - just don't go "Imperial" or longer because you may be at risk.