The dog pounced on the male officer in a Johnstone close as he went to investigate reports of an illegal gathering.
The shocking incident, which unfolded in Spateston Road, left the cop with a leg wound requiring treatment at the Royal Alexandra Hospital in Paisley.
It is understood he will continue with his duties and has been placed on a course of antibiotics.
Police were called to reports that a number of people were breaching strict Covid-19 restrictions designed to stop the spread of the potentially-deadly virus around 3.25pm on Friday.
As they made their way down the close they passed the dog, which a woman was holding on a short leash. She lost her grip and the powerful pet jumped up and bit the officer’s leg.
It later came to light the dog should have been muzzled.
Three people were given Covid-19 tickets for breaching regulations.
A Police Scotland spokesman said: “Police attended an address in Spateston Road, Johnstone, at around 3.25pm on Friday after reports of a gathering which potentially breached current Covid-19 restrictions.
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“In the course of those enquiries a male officer was injured when he was bitten by a dog and was treated in hospital.
“A number of people were issued with Fixed Penalty
“Police officers, like everyone else, have the right to go to work and return home safely without fear of injury.
“We have a zero tolerance approach to all acts of violence against offices and we will investigate the circumstances of all incidents fully.”
“Enquires are continuing.”
A Police Scotland spokesman confirmed a 25-year-old woman has been arrested and charged under the Control of Dogs Act (Scotland).
A report has been submitted to the procurator fiscal