Spread and Control of Diseases

Spread and Control of Diseases

Dr. Johm snow later studied the London cholera outbreaks where he developed a hypothesis for the transmission of cholera. Describe the main elements and the chain of infection for cholera ?

2-Durning the 1848 London cholera outbreak .Dr.snow realized he could test his hypothesis for the transmission of of cholrea using local water companies. His grand experiment. Please describe why he xhoose these two water companies and the date he collected to test his hypothesis ?

3-what where the results of Dr.John snow grand experiment. Texting his hypothesis for the transmission of cholera in London ?

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4- briefly describe contact tracing and testing for an infections disease such as COVID-19. Specifically address how the results of contract tracing and testing can be used to break the chain of infection and reduce disease transmission ?

5-what is the preferred method of establishing hard immunity shelld immunity ? what are the risks of establishing herd immunity for COVID-19 through natural infection ?

answer it in the word fille and i will give u the slides to answer from it