Biology 1202B Lecture Notes - Lecture 24: Edward Jenner, Microrna, Cowpox
11 Apr 2016
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10 non vaccinated (and all knew each other) Herd immunity: when many people get vaccinated o. This is because occasional cases are not able to spread. Highly infectious and contagious and high immunization rate is the only way to prevent the spread of the disease. Milkmaids were generally immune to smallpox if they had previously had cowpox o. Inoculated an 8 year old boy with cowpox (causing a mild infection) That boy was then inoculated with smallpox, but the boy remained infection free. He was inoculated with a milder but closely related virus to help the body gain immunity. Technique of infecting with a similar but less severe form of a pathogen o. Cells of the immune system begin to recognize the features of a virus and how to combat it. Pathogens tend to have pamps (pathogen associated molecular patterns) found on many microbial organisms and are recognised by most organisms using pattern recognition receptors.
