'Silent pandemic' danger: Fungal infections could be the next health crisis, scientists warn

Fungal infections are evolving and increasingly becoming resistant to medications, leading to what researchers are now calling a "silent pandemic." This urgent issue is being overlooked in global health discussions, warns molecular biologist Norman van Rhijn from the University of Manchester, UK. According to van Rhijn, fungal pathogens and their growing resistance to antifungal drugs have yet to receive the necessary attention. If this trend continues unchecked, some fungal infections—already affecting 6.5 million people and causing 3.8 million deaths annually—could become even more deadly, as reported by Science Alert.

Fungal infections largely ignored

Van Rhijn, alongside an international team of researchers, is urging governments, research institutions, and pharmaceutical companies to broaden their focus beyond bacteria alone. The scientists stress that fungal infections are often excluded from global antimicrobial resistance initiatives, according to Science Alert. Without immediate action, these infections could pose an even greater threat in the near future.

"The disproportionate focus on bacteria is concerning because many drug resistance problems over the past decades were the result of invasive fungal diseases, which are largely under-recognized by the community and governments alike," stated van Rhijn and his colleagues from institutions across China, the Netherlands, Austria, Australia, Spain, the UK, Brazil, the US, India, Turkiye, and Uganda, as per Science Alert.

Dangerous Fungal Pathogens

Fungal diseases such as Aspergillus fumigatus, which affects the lungs, and Candida, known for causing yeast infections, are considered some of the most dangerous. Individuals with weakened immune systems and older adults are particularly vulnerable, according to Science Alert.

Unlike bacteria and viruses, fungi are more complex organisms, making the development of effective treatments more challenging. Fungi share many biological characteristics with human cells, so developing antifungal drugs that kill fungal cells without harming human cells is both costly and complicated. Currently, only four classes of antifungal drugs exist, and resistance to these is on the rise, according to the research team.

"To treat deep or invasive fungal infections, only four systemic antifungal classes are available, and resistance is now the rule rather than the exception for those currently available classes," the scientists explained.

Agricultural Practices Contributing to Resistance

The research team also raised concerns that certain agricultural practices are contributing to this issue. The use of fungicides in farming may lead to cross-resistance, making the fungi that affect humans more resilient to treatments. The researchers emphasised the need for a balance between protecting crops and treating fungal infections.

The team recommends a global agreement to limit certain antifungal drugs to specific uses. They also call for collaborative regulations that balance the need for food security with the increasing challenge of drug-resistant fungal pathogens.