Microbiology Essay, UM, Malaysia An Infectious Disease Occurs When There Is A Harmful Alteration To The Physiological Or Metabolic State
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Question 1
An infectious disease occurs when there is a harmful alteration to the physiological or metabolic state of the host caused by a microorganism or its products. such as toxins.
- Pathogenicity is the capacity of an organism to produce a disease. Describe the pathogenesis of cholera.
- Using Koch’s postulates. determine the microorganism that caused cholera.
- Explain TWO limitations of Koch’s postulates.
Question 2
The recent outbreak of coronavirus disease 2019 (COVID-191. caused by a new coronary virus. SARS-CoV-2. is a great threat to public health. Up to February 11. 2020. it is reported that over 70,000 persons have been infected with SARS-CoV-2 in China.
- Explain THREE levels of prevention In epidemiological studies of Infectious diseases.
- Some individuals who are exposed to pathogens might not result in infection. Explain the factors contributing to the infection.
- Malaysia reached its target of fully vaccinating 80% of the adult population, achieving herd immunity for adults against Covid. Describes herd immunity.
