Deadly drug-resistant fungus spreads across 23 US states

In the United States, a drug-resistant fungus called Candida auris has been reported in 23 states, with over 3,000 cases this year, primarily affecting nursing homes and hospitals. The CDC has labeled it an urgent antimicrobial resistance threat due to its resistance to all medications. Symptoms are often generic, complicating diagnosis, and the fungus has a high mortality rate, particularly among those with weakened immune systems. Awareness and infection control in healthcare settings are essential to curtail its spread.

Deadly drug-resistant fungus spreads across 23 US states
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science Published Aug 5, 2026

Topic overview

In brief

  • Candida auris has been reported in 23 states, with over 3,000 cases this year.
  • The fungus poses a significant threat, particularly in healthcare settings, with a high mortality rate.
  • Public awareness and infection control measures are crucial to prevent further spread.

Summary

In the United States, a drug-resistant fungus known as Candida auris has emerged as a significant public health threat, with over 3,000 reported cases across 23 states this year. The Centers for Disease Control and Prevention (CDC) has classified this fungus as an urgent antimicrobial resistance threat due to its ability to resist all known medications. Most cases have been concentrated in healthcare settings, particularly nursing homes and hospitals, where individuals with weakened immune systems are at the highest risk of infection. The fungus can survive on surfaces for weeks, making it easy to spread through contact with infected individuals or contaminated surfaces.

The symptoms of Candida auris infections are often generic, including chills, fever, and fatigue, which can complicate diagnosis and treatment. Health officials emphasize the importance of awareness and vigilance in healthcare settings to prevent further spread. Texas has reported the highest number of cases, followed by Michigan and Illinois, while New Jersey has also seen a significant number of infections. The rapid emergence of this fungus is alarming, as it has been linked to a high mortality rate, with estimates suggesting that 30-60% of infected individuals may die, particularly those with other underlying health conditions.

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Updated Aug 5, 2026

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