Tagged With "immune"
Topic
Types of COVID-19 vaccines
Scientists around the world are developing many potential vaccines for COVID-19. These vaccines are all designed to teach the body’s immune system to safely recognize and block the virus that causes COVID-19. Several different types of potential vaccines for COVID-19 are in development, including: Inactivated or weakened virus vaccines , which use a form of the virus that has been inactivated or weakened so it doesn’t cause disease, but still generates an immune response. Protein-based...
Topic
What HIV is, and how it is connected to AIDS
AIDS, the last stage of a chronic immune system disease caused by the human immune deficiency virus (HIV), interferes human bodies’ ability to resist infections and disease. Transmission route Common ways of spreading the HIV include sexual transmission, blood transmission, and mother-to-child transmission. Mosquito bites or hugging will not spread HIV. Four Stages of AIDS Stage 1: Acute HIV Infection [lasted for 2-8 weeks] The infectivity of HIV is quite strong during Acute Infection. Some...