Connect With Learnsmart Labs Online Access For Prescott's Microbiology
Connect With Learnsmart Labs Online Access For Prescott's Microbiology
11th Edition
ISBN: 9781260408997
Author: Joanne Willey
Publisher: Mcgraw-hill Higher Education (us)
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Chapter 24, Problem 2AL

Vaccine development for diseases caused by protists (e.g., malaria, Chagas’ disease) has been much less successful than for bacterial or viral diseases. Discuss one biological reason and one geopolitical reason for this fact.

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topic: Zika Virus write summary on a virus and its tropism for specific hosts, tissues, or cells. For example, you may want to discuss: the distribution/expression of the relevant cell surface receptor or other factors modulating viral entry, or you may want to focus on the environment in a specific niche that makes it conducive for infection by the virus. You can also choose to research a tangential topic like how tropism is considered in vaccine development. thank you-
A malaria vaccine has proved to be 77% effective in early trials and could be a major breakthrough against the disease, says the University of Oxford team behind it. Malaria kills more than 400,000 people a year, mostly children in sub-Saharan Africa. But despite many vaccines being trialled over the years, this is the first to meet the required target. The researchers say this vaccine could have a major public health impact. When trialled in 450 children in Burkina Faso, the vaccine was found to be safe, and showed "high-level efficacy" over 12 months of follow-up. Larger trials in nearly 5,000 children between the ages of five months and three years will now be carried out across four African countries to confirm the findings. Malaria is a life-threatening disease caused by parasites that are transmitted to people through mosquito bites. Although preventable and curable, the World Health Organization estimates there were 229 million cases worldwide in 2019 and 409,000 deaths.…
The emergence of new cases of polio linked to the oral vaccine had been reported in a number of African and Asian countries, revealing that there are now more children being paralyzed by viruses originating in vaccines than in the wild. Viral contamination of a biological may arise from many factors, from handling to the origin of the materials used in the cell culture. a What could be the reason for the outbreak in those countries? D) The method of producing attenuated “live" vaccines involve passing the disease- tausing virus through a series of cell cultures or animal embryos (typically chick embryos). Explain the procedure in details and cite the reason why the method involve passing a virus through a non-human host?
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