Epidemiology

• Where is Naegleria fowleri primarily found?

  Warm bodies of water
• Which of the following water sources is NOT mentioned as a potential reservoir for N. fowleri?a)Lakesb) Streamsc) Pondsd) Oceans

  Oceans
• During which season is the prevalence of N. fowleri infections generally higher?

  Summer
• Besides water sources, what other medium has been implicated in cases of N. fowleri infection?

  Contaminated dust
• In which country did a documented case of N. fowleri infection associated with contaminated dust occur?

  Nigeria
• How do ameboid trophozoites of N. fowleri enter the human body?

  Direct contact with contaminated water
• Besides inhalation of contaminated dust, what other route has been associated with N. fowleri transmission?

  Sniffing contaminated water
• What is the primary route of entry for N. fowleri through the human body?

  Nasal mucosa
• How has inhalation of contaminated dust accounted for N. fowleri infections?

  Direct invasion through the respiratory system
• What is the role of sniffing contaminated water in N. fowleri transmission?

  It facilitates the entry of trophozoites into the nasal mucosa