About 67,700,000 results
  1. Disease - Wikipedia

  2. Disease | Definition, Types, & Control | Britannica

  3. Medical Diseases & Conditions - Mayo Clinic

  4. Disease Definition & Meaning - Merriam-Webster

  5. Infectious diseases - Symptoms & causes - Mayo Clinic

  6. Human disease | Definition & Facts | Britannica

  7. Coronavirus disease 2019 (COVID-19) - Symptoms and causes

  8. Infectious disease | Definition, Types, & Causes | Britannica

  9. All Diseases and Conditions | NIAMS

  10. Centers for Disease Control and Prevention