Corona virus tes with a 5% false positive rate and a Corona virus infection rate of 5% in Canada, if someone tests positive, what is the closest probability that they actually have Corona virus? A.50% B.100% C.90% D.95% E.75% please answer this
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Corona virus tes with a 5% false positive rate and a Corona virus infection rate of 5% in Canada, if someone tests positive, what is the closest probability that they actually have Corona virus?
A.50%
B.100%
C.90%
D.95%
E.75%
please answer this
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- Which of the following statement is true? A. There is strong scientific evidence for unacceptable risk outweighing the benefits for children to receive measles vaccine B. If all other children receive vaccine in my community, my children should be safe from the infection C. Communities with pools of unvaccinated clusters risk infecting a broad community that includes people who have been inoculated D. All of the above is true E. None of the above is trueA new test kit is developed for the direction of coronavirus. When it is tested in a group of 115 patients with Corona virus, 81 have a positive test. In a group of 220 individuals without Corona virus, 10 have a positive test. a. What is the sensitivity and specificity of the test kit? b. Comment on the above results.Using two antibiotics together has a high probability of producing multi-drug resistant strains. a. True b. False
- Hepatitis B vaccine is a(n) _______ that health care workers should have to minimize risk of the transfer of pathogens? A 2-dose vaccine B one-dose vaccine C three-dose vaccine D oral vaccine Give typing answer with explanation and conclusionWhy is smallpox so dangerous? A. It has killed more people in human history than any other disease that we know of. B. It's transmitted by aerosol droplets and is therefore very contagious. C. Transmission rates are around 60%, which is higher than Ebola. D. All of the aboveWhat can you say about a positive latex agglutination test? Question 3 options: A It shows the patient is sick with the disease B It shows the patient has never been exposed to the disease C It shows the patient has both the antibodies and the antigen for a disease D It shows no agglutination E It shows the patient has the antibodies to a disease
- All of the following are true concerning the Alere HIV test except: a)this test can detect infection 10 days post exposure b)the presence of three lines on the test indicates a positive reaction for anitgen and antibody against HIV c)unlike Oraquick the test is run with blood sample only and not oral fluid d)the presence of a single line indicates that a person has antibodies but no antigen for HIV e)this is a test that is considered both a direct and indirect test for HIV diagnosisWhen doctors first discovered that the virus was Zika, they felt relieved because Zika outbreaks had always been mild in the past. A.True B. FalseThe Sabin vaccine contains ______. A) a mixture of bacteria and live, attenuated poliovirus B) a piece of the poliovirus C) inactivated poliovirus D) live, unattended poliovirus
- The virulence of the live vaccines is... the virulence of the attenuated vaccines. A.less B.more C.same as D.depends on the administrationTo stop the chain of infection, Nigerian health officials launched an army of contact tracers and conducted how many home visits? A. 1,900 B. 2,000 C. 19,000 D. 200,000Based on the experience of the Philippines with the dengue vaccine, what can you conclude regarding the use of vaccines? choose the best answer. a. All aspects as on the long term effects of vaccines, its effect on children, pregnant women, effect to reproductive system, immediate side effects and many more should be analysed first. b. All vaccines have side effects, only few individuals should have them. c. Vaccines take time to be developed and studied for their effectivity and effects. d. Vaccines that were tested for decades could be trusted for its safety but still precaution should be observed. e. Vaccines should be tested for long period of time before allowing any individual to take the vaccine.
