It is not just retailers that are affected but anyone whose business depends heavily on their property - Retailers rents are normally a higher proportion of their overheads than other businesses hence they are more vulnerable.
If as a business you feel that your rent is overstretching you then it may be possible to ask for a rent concession. This is more common practice in shopping centres where the landlord owns the whole centre and helping one retailer indirectly helps the others. The last thing a landlord wants is empty shops which will detract from the centre as a whole. If you do ask for a concession make sure you have up to date accounts and proof of your difficulties.
If you are a retailer or operator with a high rent bill then look critically at stores or premises that are under performing and it may be that you can vacate these premises if you enter into a CVA. Read our retailer rescue pages for up to date information.