1-Please write the difference and examples between coccus, bacillus, and vibrio. 2-What is a Nosocomial or a Healthcare-Associated Infections (HAI)? Please write three examples. 3-Why viruses are not considered living structures? 4-Who was Carolus Linnaeus? What was his best contribution to Microbiology? 5-What is a Microbiota? Why are they important in our body? 6-What is a Primary Infectious Disease? What is a Secondary Infectious Disease? Please write examples of both types of Primary and Secondary infectious diseases? 7-Why is still important the knowledge of Gram stain? Which dyes are used in this type of coloration? 8-Who was Dr. Edward Jenner? What was his best contribution to Medicine? 9-Acute Infection, Chronic Infection, and Latent Infection. Please define each of them, and please write examples of them. 10-What is Herd Immunity? How is it possible to increase it in our current Pandemic of coronavirus (SARS-CoV-2 infection)