A customer in a bagel store coughed on a fellow shopper during an argument over wearing face masks amid the coronavirus pandemic, in the Astoria neighborhood of Queens, New York.

In a Facebook post about the incident, which occurred on the 6th of June, Ally Goodbaum said she noticed that the other woman, named in reports as Lauren Balsamo, was "coughing, not covering her mouth, and not wearing a mask."

In the video, which has since gone viral, Balsamo told Goodbaum to ''say it to her face'' and repeatedly called her a ''p***y'', before walking over and coughing at her.

Balsamo has since been referred to online as a "Karen" - a derogatory term for a woman perceived to be entitled or demanding.

Watch the altercation below:

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"Words truly cannot express my disappointment in humanity these days. I know there are bigger problems in the nation right now but more and more it seems the people who are just trying to standup for the right things are getting bulldozed by bullies [sic]," Goodbaum wrote in the Facebook post.

She continued:

''I was at New York City Bagel Coffee House on Broadway and 30th Street getting my bagel and noticed a patron (pictured below) who was coughing, not covering her mouth, and not wearing a mask. I politely pointed this out to the woman working at the store and told her that the store should enforce masks to worn by patrons while inside the store.

"The unmasked patron overheard my complaint and became enraged yelling at me calling me names claiming she has covid antibodies and doesn’t need to wear a mask in public so I should mind my own F’ing business. She then proceeded to come towards me and repeatedly cough on me as seen in this video.''

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''I share this to say please choose kindness in these situations. Look out for one another like patrons who took this video and asked if I was okay.

"I will NEVER be going back to New York City Bagel Coffee House Broadway and 30th Street because they still served this woman and none of the employees asked if I was okay. Plus Brooklyn Bagel & Coffee Company has way better bagels and kinder staff.

"To my Astoria neighbors if you see this woman stay far away. Also, since we are in a pandemic, this is by law considered #assault. Tomorrow is a new day- lookout for everyone in your community and please choose peace and kindness."

Maskless woman coughs on customer over face mask argument in bagel shop