30. Long answer questions X

 

AIDS is caused by the Human Immunodeficiency Virus Human papillomavirusesHuman herpesvirusesHepatitis viruses. It can be transmitted through both sexual or blood-to-blood contactcloths sexual blood-to-blood contact, such as blood transfusions. HIV weakens and blocks the immune systemcirculatory systemnervous systemdigestive system, making it difficult for the body to fight off infections, even minor ones like the common cold.

 

This can lead to more serious illnesses like diarrhoea with blood lossPneumonianone of thesePneumonia and diarrhoea with blood loss. Although AIDS does not have specific symptoms and cannot be related to a single disease or identifiable pathogens, it is classified as a illnesssyndromedisorderdisease due to its complexity.