MEP Book 1 ANSWERS Page 2 1 1111 Draw lines to match up each pair of animals.Colour the animals from each pair in the same colour.Draw a dot in a box for every pair of animals.
HIV (Human Immunodeficiency Virus) Infection - Topic Overview. HIV (human immunodeficiency virus) is a virus that attacks the immune system, the body's natural defense system. Without a strong immune system, the body has trouble fighting off disease. Both the virus and the infection it causes are called HIV. White blood cells are an important part of the immune system.
HIV/AIDS. HIV, or human immunodeficiency virus, is the virus that causes AIDS (Acquired Immunodeficiency Syndrome). HIV attacks the immune system by destroying CD4 positive (CD4+) T cells, a type of white blood cell that is vital to fighting off infection. The destruction of these cells leaves people living with HIV vulnerable to other infections, diseases and other complications.