Two patients were admitted to the same hospital ward for the same duration of time, yet one became ill with C.difficile and the other didn’t.  Relating to the host-pathogen relationship, explain how they had different outcomes

Explain the importance of reservoir hosts in modern outbreaks of “old” diseases such as Typhus and Plague.

In regard to hepatitis A, which of the following is inaccurate: The disease is more common in Africa and parts of Asia. The disease is commonly known to be transmitted by mosquitoes. Inadequate hand washing or poor sanitary conditions of aninfected person can cont The disease has been reported in Louisiana. Not usually transmitted by blood as the main source of infection

in your own words, what is the accuracy of claims about chron's disease being impacted by our gut microbiota

in the diagram below, fill in the names of the four stages for the natural history of disease

In analyzing the data presented in this MMWR article, explain the trends that were seen with giardia infection across the nation from 2011-2012. Which demographic populations were most likely to get this infection? Were the numbers increasing or decreasing? What areas of the country experienced the highest rates of infection?

A 7-year-old boy with no past medical history presents to his pediatrician after his mother notices several small bumps on his trunk. The boy does not remember when they appeared, but he says that they are not painful or itchy. Vital signs are normal and physical examination shows 5 mm flesh-colored papules scattered across his abdomen as shown in the image attached. Which of the following is characteristic feature of the most likely causal organism? Answers A - E A Acid fastness B C Found in sphagnum moss Painful vesicular eruptions along dermatome D Replicates in host cell's cytoplasm E Suppresses p53 gene O O Question # 25 attachment CLOSE TOOLKIT O

An epidemiological study involved 674 workers of a vinyl chloride (a plastic manufacturing chemical) manufacturing plant. The study aimed to determine an association between exposure to vinyl chloride and liver cancer. Out of 200 workers who routinely worked in vinyl chloride production area, 15 developed liver cancer. Another group of workers consisting of individuals with smoking histories similar to the plant workers, and who were unlikely to have encountered vinyl chloride, had 24 develop liver cancers and 450 who did not develop liver cancer. a. Given the above information, fill in the 2x2 table below: Exposed: Plant workers Not Exposed: Control group TOTAL b. Calculate the relative risk Developed Liver Cancer Did not Develop Liver Cancer TOTAL 674

One summer, a group of tourists became ill after they all stayed at the same hotel in Greece. Epidemiologists conducted surveys among all the people who had stayed at that hotel during the two-and-a-half-week period in which people were reporting their illnesses. They did this in an attempt to determine the cause of the symptoms, which were primarily diarrhea and nausea.  They surveyed 239 people; 224 of them reported having been ill while they were still on vacation or shortly after their return. Their diarrheal symptoms lasted 10-15 days.  Seventy of the 224 people who reported illness were classified as having definite cases of gastrointestinal disease. A case was called “definite” when a pathogen could actually be recovered from their stool. Of these, the vast majority tested positive for one particular microorganism.  Microscopic analysis of the stool samples revealed the presence of small oval-shaped structures, with defined outer walls and two to four nuclei inside. Diagnostic…

This is a Microbiology question, What are some syndromes that can be caused by MRSA infection?  Out of all invasive MRSA infections, discuss the prevalence of endocarditis.