
Key Points
- Covid-19 cases rise in India with new JN.1 sub-variants, but severity remains low
- University of Manchester study warns climate change is accelerating spread of deadly Aspergillus fungus
- Aspergillus infections, especially dangerous for immunocompromised and lung patients, are hard to diagnose and treat
- Fungal infections now cause millions of deaths globally each year, with cases projected to rise
- Strong immunity and awareness are critical to reduce risk from both viral and fungal threats
New Delhi: As India and the world grapple with a fresh surge in Covid-19 casesdriven by the JN.1 variant and its sub-lineages NB.1.8.1 and LF.7 health experts are urging vigilance but not panic. The latest data shows over 1,000 active Covid-19 cases in India, with Kerala, Maharashtra, and Delhi reporting the highest numbers. The new variants are under observation, but symptoms remain mostly mild, and hospitals are prepared for any escalation.
Aspergillus Fungus: The Next Big Health Threat?
While the focus remains on Covid-19, a new study by the University of Manchester has sounded the alarm about a rapidly growing fungal threat: Aspergillus. This common mold, found in soil and air, is now spreading faster and wider due to rising global temperatures and changing weather patterns.
How Dangerous Is Aspergillus?
- Aspergillus spores are inhaled daily, but usually don’t harm healthy people.
- For those with weakened immunity or lung conditions (asthma, cystic fibrosis, cancer, transplant patients, or recent severe viral infections like flu or Covid-19), the fungus can cause life-threatening infections called aspergillosis.
- Symptoms can include persistent cough, breathlessness, fever, fatigue, and, in severe cases, coughing up blood.
- Mortality rates for invasive aspergillosis can reach 20–40%, and the infection is often hard to diagnose because its symptoms mimic other diseases.
Climate Change: A Catalyst for Fungal Spread
The study warns that, if current warming trends continue, Aspergillus fumigatus could expand its range by up to 77% in Europe by 2100, potentially exposing millions more to infection. Aspergillus flavus, another dangerous species, could see a 16% increase in spread, putting an additional one million people at risk in Europe alone. Similar risks are projected for North America, China, and Russia.
Why Is This So Concerning?
- Limited antifungal treatments and rising drug resistance make these infections harder to control.
- Fungal infections are underdiagnosed and underreported, leading to delayed treatment and higher mortality.
- Global deaths from fungal diseases now exceed 3.7 million annually, with aspergillosis accounting for a significant portion.
What Can You Do to Stay Safe?
- Maintain strong immunity through a healthy lifestyle, balanced diet, and management of chronic illnesses.
- Be extra cautious if you have lung conditions or a weakened immune system avoid exposure to dust, compost, and damp environments where Aspergillus thrives.
- Seek prompt medical attention if you experience persistent respiratory symptoms, especially after a viral illness.
- Stay updated on Covid-19 precautions and vaccination, as viral infections can weaken your body’s defenses against fungi.
While Covid-19 remains a concern with new variants circulating, the growing threat of deadly fungal infections like aspergillosis fueled by climate change demands urgent attention. Strong immunity, awareness, and early diagnosis are the best defenses against these emerging health risks.