Like other parts of the global economy, food supply chains have been disrupted by the coronavirus pandemic and empty supermarket shelves have become a symbol of the crisis.
 
Are we facing food shortages?
 
Panic buying in some countries has led to some grocery staples like pasta and flour being sold out in supermarkets in recent weeks. Retailers say they are able to replenish most products while bakery and pasta firms in Europe and North America have cranked up production.
 
Food firms say panic purchases are subsiding once households have stocked up and as they adjust to lockdown routines.
 
However, shoppers may have to get used to less varied or more local food offerings.
 
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