Studies Reveal Microbial Contamination Risks on Physical Currency Notes

Recent reports highlight the health risks associated with handling physical currency, which can harbor various microorganisms including bacteria and fungi. Laboratory tests have revealed the presence of harmful species like Mucor and Aspergillus niger on currency notes. Studies from the US and Australia confirm that cash frequently carries multiple microbes due to frequent handling and exposure to unhygienic environments. Experts advise practicing good hand hygiene after handling money, especially for vulnerable groups such as the elderly and those with weakened immune systems.