National Institutes of Health
National Institute of Allergy and Infectious Diseases
Get the latest government information on HIV-AIDS, allergies, the development of vaccines, and other health-related research topics.
University of Arizona
The Biology Project: Immunology: Introduction to Immunology
This problem set introduces students to basic concepts about the immune system. Correct answers are reinforced with a brief explanation, and incorrect answers are linked to tutorials to help solve the problem.
Khan Academy
Khan Academy: Ebola: At a Glance
The Ebola disease is a life-threatening illness caused by the Ebola virus. There is currently no vaccine or specific medication for Ebola. Further discussion includes How does the virus replication work?; What are the symptoms of Ebola...
Khan Academy
Khan Academy: What Is Antibiotic Resistance?
Antibiotic resistance describes a bacteria's ability to survive while being exposed to antibiotics. Topics explored are the following: How does antibiotic resistance develop exactly?; How do we measure antibiotic resistance?; How...
Khan Academy
Khan Academy: Antibiotics: An Overview
An overview of antibiotics, including What are antibiotics?; How were antibiotics discovered?; How do antibiotics work?; Azithromycin; Antibiotic development?
Khan Academy
Khan Academy: What Is Malaria?
Malaria is an infectious disease caused by a parasite called Plasmodium that invades red blood cells and liver cells. The parasites are transferred to humans by the bite of an infected Anopheles mosquito. The article discusses how...
Khan Academy
Khan Academy: The Basics of Malaria
An overview of malaria and the types of Plasmodium that is carried by the Anopheles mosquito infecting red blood cells and liver cells in the human body. Symptoms of malaria are also discussed.
Khan Academy
Khan Academy: Diagnosing Malaria
The three-step process of diagnosing malaria is explained.
Khan Academy
Khan Academy: Treatment of Malaria
After malaria has been confirmed by lab or biochemical diagnosis, treatment must begin immediately. But first the type of Plasmodium causing the infection, whether the patient has severe or non-severe infection, and if the parasite is...
Khan Academy
Khan Academy: Preventing Malaria
An overview of how to prevent getting malaria including insecticides, repellents, eliminating mosquito breeding areas, malaria prophylactic drugs.
Khan Academy
Khan Academy: Drug Abuse and Drug Addiction
This article explains the concepts of drug use and dependence.
Khan Academy
Khan Academy: Drug Abuse and Drug Addiction
Substance use disorders are a class of psychological disorder in which a person continues to use a substance, despite having significant health, social, and other negative consequences as a result of their substance use.
Khan Academy
Khan Academy: Psychoactive Drugs: Depressants and Opiates
An explanation of the effects the psychoactive drugs, depressants and opiates, have on the body.