HLST-210 Lecture Notes - Lecture 10: Streptococcal Pharyngitis, Chickenpox, Antimicrobial Resistance
9 Apr 2016
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Document Summary
Allergies result from a hypersensitive and overactive immune system. Most allergic reactions are due to the production of a special type of antibody known as immunoglobulin (ige) Strategies to deal with allergies include avoidance, medication, and immunotherapy. Worldwide, infectious diseases are responsible for more than 11 million deaths each year. Pathogens include bacteria, viruses, fungi, protozoa, parasitic worms, and prions. Actions of antibiotics - interrupt the production of new bacteria. Antibiotic resistance - when misused or overused (pathogens become resistant) Take what they need from the cells they invade. May be caused any of more than 200 different viruses. The flu - infection of the respiratory tract. Childhood illnesses that have waned in canada due to vaccines. Once infected, you are never free of the virus. Antiviral drugs work by interfering with some part of the viral life cycle. Antivirals are currently available to fight infections caused by hiv, influenza, herpes simplex, varicella-zoster, hbv, and hvc.
