| Ringworm | Ringworm is caused by Trichophyton or Epidermophyton. This is a fungal disease. |
| Filariasis | Wuchereria bancrofti and W. malayi are the Aschelminthes members or the filarial worms. They cause a slowly developing chronic inflammation of the organs in which they live for many years, usually the lymphatic vessels of the lower limbs and the disease is called elephantiasis or filariasis. |
| Malaria | Sporozoa member Plasmodium vivax causes malaria. |
| Pneumonia | Bacteria like Streptococcus pneumoniae and Haemophilus influenzae are responsible for the disease pneumonia which infects the alveoli of the lungs. |