If we think of the immune system as an army fighting infections white blood cells are the soldiers They are called lymphocyte(淋巴细胞) There are special lymphocyte called CD4 helper lymphocyte(辅助淋巴细 胞) They coordinate the immune systems attack on foreign organisms
If we think of the immune system as an army fighting infections, white blood cells are the soldiers. They are called lymphocyte (淋巴细胞). There are special lymphocyte called CD4 helper lymphocyte (辅助淋巴细 胞). They coordinate the immune system’s attack on foreign organisms
As HIV infects the body, it destroys Cd4 helper lymphocyte(辅助淋巴细胞) by using them to make copies of itself. This causes the immune system(i* 系统) to not work wel HIV stands for Human Immunodeficiency Virus(人类 免疫缺陷病毒). Immuno” means the immune system and deficiency" means lacking
As HIV infects the body, it destroys CD4 helper lymphocyte (辅助淋巴细胞) by using them to make copies of itself. This causes the immune system (免疫 系统) to not work well. HIV stands for Human Immunodeficiency Virus(人类 免疫缺陷病毒). “Immuno” means the immune system and “deficiency” means lacking
Lymphocyte(淋巴细胞) and Hiv fight each other for years each day the body makes billions of cd4 cells and the hiv uses them to make even more of its own copies. In most people, the hiv eventually wins the battle. However, new medications(药物) can make it difficult for hiv to win
Lymphocyte (淋巴细胞) and HIV fight each other for years. Each day the body makes billions of CD4 cells and the HIV uses them to make even more of its own copies. In most people, the HIV eventually wins the battle. However, new medications (药物) can make it difficult for HIV to win
After a person is infected with hiv, the number of CD4 cells goes down. A normal count is 600 to 1500 per cubic milliliter of blood when the count drops below 200. the body's immune system cannot work well at all With a cd4 count below 200, a simple infection could cause a lot of trouble because the body cannot fight it off
After a person is infected with HIV, the number of CD4 cells goes down. A normal count is 600 to 1500 per cubic milliliter of blood. When the count drops below 200, the body’s immune system cannot work well at all. With a CD4 count below 200, a simple infection could cause a lot of trouble because the body cannot fight it off
After getting HIv, when does a person have AIDs There is no clear-cut answer but doctors agree that a person has aids if he or she has hiv and bOtH of the following happen The cd4 helper lymphocyte count is 200 or less He or she has a serious infection or cancer because the immune system could not fight it off
After getting HIV, when does a person have AIDS? There is no clear-cut answer but doctors agree that a person has AIDS if he or she has HIV and BOTH of the following happen: • The CD4 helper lymphocyte count is 200 or less • He or she has a serious infection or cancer because the immune system could not fight it off