### Viral Diseases
1. Influenza (Flu)
2. HIV/AIDS
3. COVID-19
4. Measles
5. Hepatitis B and C
6. Zika virus
7. Ebola
8. Chickenpox (Varicella)
9. Dengue fever
10. Rabies
### Bacterial Diseases
1. Tuberculosis
2. Cholera
3. Typhoid fever
4. Pneumonia (caused by Streptococcus pneumoniae)
5. Tetanus
6. Lyme disease
7. Leprosy (Hansen's disease)
8. Gonorrhea
9. Syphilis
10. Whooping cough (Pertussis)
### Diseases Spread Through Insects (Vector-borne Diseases)
1. Malaria (spread by Anopheles mosquitoes)
2. Dengue fever (spread by Aedes mosquitoes)
3. Zika virus (spread by Aedes mosquitoes)
4. West Nile virus (spread by Culex mosquitoes)
5. Lyme disease (spread by Ixodes ticks)
6. Yellow fever (spread by Aedes mosquitoes)
7. Chikungunya (spread by Aedes mosquitoes)
8. Rocky Mountain spotted fever (spread by Dermacentor ticks)
9. Plague (spread by fleas)
10. Leishmaniasis (spread by sandflies)
### Hereditary Diseases
1. Cystic fibrosis
2. Sickle cell anemia
3. Huntington's disease
4. Hemophilia
5. Duchenne muscular dystrophy
6. Tay-Sachs disease
7. Thalassemia
8. Marfan syndrome
9. Phenylketonuria (PKU)
10. Down syndrome
