The deadly diseases nesting outside your window

Produced by: Mohsin Shaikh

Feathered Threats

That soft coo outside your window might be masking a microscopic danger. Pigeons, sparrows, and parrots can carry bacteria, fungi, and viruses capable of infecting humans through droppings or dust.

Parrot Fever

Psittacosis, known as “parrot fever,” spreads through bird droppings or nasal secretions — often from pet parrots and cockatiels. It starts like the flu but can progress to pneumonia if ignored.

Fungal Fallout

Histoplasmosis lurks in soil tainted by pigeon and starling droppings. When the fungus becomes airborne, inhaling it can cause lung infections that mimic tuberculosis.

Hidden Salmonella

Bird feeders and backyard coops can host Salmonella, silently contaminating surfaces. One careless touch can lead to days of fever, cramps, and gastrointestinal chaos.

Aerial Influenza

Avian influenza isn’t a distant farm problem. Wild ducks, crows, and poultry in urban areas can carry the virus — a reminder to never handle a dead or sick bird barehanded.

Toxic Spores

Cryptococcus fungi, found in pigeon droppings, can travel invisibly through the air. Once inhaled, it can attack the lungs and even the brain — particularly in those with weakened immunity.

Contaminated Waters

Seagulls and sparrows can introduce E. coli and Campylobacter into local ponds and water tanks. A splash from bird-tainted water could spell serious intestinal distress.

Allergy Trigger

Even disease-free birds can be health hazards. Their dander, feathers, and droppings release allergens that worsen asthma and trigger chronic sinus issues indoors.

Clean Distance

Experts say the safest way to coexist with urban birds is through barriers — gloves, masks, and sealed bins. “Enjoy birds,” says the CDC, “just not too close.”