Demand and supply: Face masks, latex gloves, hand sanitisers, soap and toilet paper rolls on display in a shop window in Brighton, England on March 21. In the free market, the one who offers the highest bid gets the goods. — AFP
THERE is now intense debate in many parts of the world on the need to wear masks in public for protection against Covid-19.
In the United States, the Centres for Disease Control and Prevention advised all Americans to wear face coverings in public on Friday last week.
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