Explain why corona viruses cause human infections

Question

Question 1: Seasonal rhinitis can mean that you find yourself working with uncomfortable symptoms. However these symptoms mean that if you also are infected with a respiratory virus, that you may spread the virus. What strategies will help minimize the transmission of respiratory viruses when someone has a runny nose?

Question 2: Explain why corona viruses cause human infections

Question 3: What anti-viral drugs have been developed to treat respiratory viral infections? State the viruses that each of these target.

Question 4: Contrast the symptoms of common cold and influenza.

Question 5: What are the virulence factors that enable Strreptococcus pyogenes to produce pharyngitis?

Question 6: What is rheumatic fever and why is it a concern for our indigenous communities?

Question 7: What is different about the scarlet fever strain of S. pyogenes? Why is there a concern that there is a re-emergence of this disease? Hint: add the word 'news' to your 'scarlet fever' search.

Question 8: Contrast influenza infection with coronavirus by discussing spread and seriousness.

Question 9: What are the two main ways that influenza viruses change? Why do we say that we predict another influenza pandemic?

Question 10: Bird flu is a major concern and currently there are human cases of H5N1. How is H5N1 different from other seasonal cases of influenza? Is there evidence of human to human spread of H5N1?

Question 11: What are the two main types of influenza treatments? How do they differ in their administration to patients? Has resistance to these drugs been a problem?

Question 12: Why do we need to be aware of epiglottitis?

Question 13: Why is it safe to have the commonly used influenza vaccine during pregnancy? Why is it recommended?

Question 14: Whooping cough for the characteristic sound in older infants and children.

a) How does this organism cause disease?

b) what are the most important prevention strategies for whooping cough disease in infants?

Question 15: The next two questions relate to Croup and RSV infection

Part A: Why does croup cause stridor (the harsh breathing sounds)?

Part B: By next winter we hope to have a new 'vaccine' for RSV.

Question 16: What is Nirsevimab? How does it work? What are the advantages of this form of immunization?