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Arash of cases of a rare “black fungus” infection affecting thousands of critically ill Covid patients in India caused alarm last month. Now scientists are warning that other dangerous or even deadly fungal infections have spawned in critically ill coronavirus patients globally, including in the UK.
Fungi are ubiquitous – in soil, water, air, faeces and human skin. Usually, people’s elaborate, adaptive immune systems are enough of a repellent but when that shield is weakened by disease, congenital conditions or age, they are far more vulnerable to microscopic assailants.
When Covid-19 emerged, doctors found that the best tools in their arsenal to fight the virus were steroids, which happen to be immunosuppressants. Wary of secondary bacterial infections in intensive care units, doctors often gave coronavirus patients broad-spectrum antibiotics as a precaution.
But the combination of lungs battered by Covid, impaired immune systems, and both good and bad bacteria wiped out by antibiotics left critically ill patients exposed to moulds and spores.
Fungi are ubiquitous – in soil, water, air, faeces and human skin. Usually, people’s elaborate, adaptive immune systems are enough of a repellent but when that shield is weakened by disease, congenital conditions or age, they are far more vulnerable to microscopic assailants.
When Covid-19 emerged, doctors found that the best tools in their arsenal to fight the virus were steroids, which happen to be immunosuppressants. Wary of secondary bacterial infections in intensive care units, doctors often gave coronavirus patients broad-spectrum antibiotics as a precaution.
But the combination of lungs battered by Covid, impaired immune systems, and both good and bad bacteria wiped out by antibiotics left critically ill patients exposed to moulds and spores.
Covid ‘perfect storm’ as more patients hit by fungal infections
Weakened lungs and immune systems make people increasingly vulnerable, warn scientists
www.theguardian.com