As of March 5, there has been 22 confirmed cases of coronavirus within NSW, with 18 new cases confirmed since March 1 and while none of the confirmed cases have come from the MIA, businesses have had to address supply and demand issues which have formed from the global spread of the disease.

Pharmacist and manager at John Dodd Pharmacy Sean Dodd said one of the biggest impact of the virus spreading is the knock-on effect it causes to the availability of items used to treat colds and flu.

Mr Dodd said the limiting of drug ingredient exports from India means the pharmacy has needed to increase their stocks to maintain a good supply coming into flu season, but there is no need to panic purchase large amounts of items.

"The biggest thing that's going to impact is the supply of things like paracetamol and just basic antibiotics," Mr Dodd said.

"With paracetamol - that's included in a lot of cold and flu preparations ... because of that we have stocked up with more than usual.

"We've panicked so everyone else doesn't have to panic, it should be business as usual for us."

Mr Dodd said over the course of the last month people have been coming to the pharmacy to stock up on items like hand sanitisers and face-masks but with an increased demand across the country it has become harder for the pharmacy to maintain supply of those items.

"Essentially it's a national shortage, there's nothing we can do about it," he said.

"The best thing to do is be prepared as possible ... if you can reduce the chances of getting cold and flu then you're likely to again reduce your chances of being affected if other things do become bigger issues."

Mr Dodd said the spread of the virus comes as pharmacies prepare for a "challenging" flu season and any stock availability issues arising from the spread of the virus may compound the effects of the season.

"We're envisioning that there will be a lot of people prepping as well as still all of the acute treatments," Mr Dodd said.

"We are encouraging everyone to get their flu vaccine again this year, they should be available from the end of this month."

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Pharmacies have not been the only businesses to feel the supply and demand effects stemming from the virus, with supermarket chain Woolworths making moves to address demand issues, announcing a four-pack limit on toilet paper purchases.

"Our teams are continuing to work hard on restocking stores with long-life food and groceries from our distribution centres," A Woolworths spokesman said.

"The vast majority of the products in our range remain available for our customers as normal.

"We apologise to customers for the inconvenience caused by temporary stock shortages and thank them for their patience."

Official advice from the Murrumbidgee Local Health District and NSW Health to anyone with concerns they may have coronavirus is to isolate yourself from other people and then call your doctor, your local emergency department or Healthdirect on 1800 022 222 so appropriate procedures can be put in place in anticipation of your arrival.

According to data from the World Health Organisation, a total of 93,164 cases have been confirmed across 77 countries as of March 5.