Some people worry that cash may be spreading the coronavirus.
Earlier this year, both China and South Korea began sterilizing their bills using UV light or high heat before putting them back into use. They also quarantined their bank bills for 14 days in hopes that any lingering viruses would die off during that time.
In early March, a World Health Organization spokesperson suggested that people should not use cash if possible, but then clarified that the WHO was not issuing Covid-19 specific guidance with regards to using contactless payments.
I’m a professor of environmental and occupational health sciences and global health, and I believe that we don’t need to worry about money as much as some might believe.
Little is known about how long Covid-19 might survive on the currency. Laboratory testing on influenza suggests viability lasts from one hour to one day without mucus.
However, the viability in nature would depend on temperature, humidity, and exposure to sunlight. Nothing has yet been done with Covid-19 survival on cash, though on other surfaces, Covid-19’s survival has again varied.
The problem with going cashless — One proposed solution is going cashless, meaning using methods of money that are not paper or coins, such as debit cards or cryptocurrency.
Also, some small businesses prefer cash so they do not have to pay the fees involved with using a credit card.
Finally, there is little evidence that eliminating the use of cash would make a difference in the spread of Covid-19, nor do we have data to support that this virus may be easily transmitted by any type of contaminated surface.