simmer(Noun) The state or process of simmering. The kettle was kept on the simmer. simmer(Verb) To cook or undergo heating slowly at or below the boiling point. The soup simmered on the stove. simmer(Verb) To cause to cook or to cause to undergo heating slowly at or below the boiling point. Simmer the soup for five minutes, then serve.
Some diseases caused by viruses are poliomyelitis, influenza, measles caused by rubeola virus, chikenguniya caused by chikanguniya virus, chickenpox caused by varicella zoster â¦ virus, AIDS caused by human immunodeficiency virus, and the common cold.
Diseases caused by the single-celled protozoans include amoebic dysentery, babesiosis, cryptosporidiosis, intestinal giardiasis, malaria, and vaginal trichomoniasis. Viral: The most common type of infectious disease that humans are susceptible to are viral. Viruses cause a host of diseases and are tinier than bacteria as well. The most frequent disease that constantly affects humans on a day-to-day basis is the common cold, caused due to a viral infection.