Please briefly respond to each of the following ...I.    Describe the COVID-19 pandemic from a public health perspective.o    Characteristics of the virus and how it spreads.o    Morbidity and mortality rate.II.    Explain why it is a public health problem.III.    Describe the intersection of the social determinants of health and COVID-19.o    How has COVID-19 been impacted by the SODH?o    Identify one social determinant of health and expand how it has impacted mortality or morbidity of COVID-19. Provide evidence.IV.    Describe the impact of COVID-19 on vulnerable populations.o    Define vulnerable populationo    Discuss how COVID-19 has impacted vulnerable populationso    Select one vulnerable population and describe the impact of COVID-19 on the vulnerable population you selected.