230 is your anwser! sorry bad english
Human Immunodeficiency Virus -- this is HIV, the virus that causes AIDS.
Flu viruses. There are lots of different strains of flu virus, which is why new vaccines have to be made every year.
Cold virus. The common cold is caused by a virus.
Answer:
Cancer cells have nothing to stop them and they keep multiplying without a purpose with nothing to stop them
Explanation: