7.+Infection+and+Disease

Diseases can be classified as infectious or non-infectious, depending on whether they are caused by a pathogen or not. Pathogens cause infectious diseases and range in size from the smallest sub-microscopic particles (prions) to multicellular organisms:  You can find out more about pathogens and the immune system here: It will also be useful to watch the “Life on Us” program at 8.30pm Sunday night on SBS One. This two-part series has powerful imagery showing various microscopic pathogens that inhabit the human body – you can watch a short promotional video here.
 * Prions (BSE or mad-cow disease)
 * Viruses (influenza, herpes, chicken-pox)
 * Bacteria (tuberculosis, tetanus, //Staphylococcus, Salmonella)//
 * Protozoans (malaria, amoebas)
 * Fungus (athlete’s foot, //Candida)//
 * Worms (tapeworm, nematodes)
 * Ticks and mites
 *  Pathogens (episode 30) from Mr Barlow (YouTube video)
 *  The Immune System from Bozeman Science (YouTube video)
 *  Immunology Overview by Armando Hasudungan (YouTube video)
 *  Pathogen Recognition Receptors by Garland Science (YouTube video)