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On average, the stomach produces 2 L of hydrochloric acid per day.
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.