Why is transmission of cytomegalovirus (CMV) through blood components not a significant risk to most recipients?   Question 10 options:   a)  Most recipients are CMV-positive.   b)  Most recipients are CMV-negative.   c)  The CMV cannot tolerate cold storage temperatures.   d)  None of the above.

Is that correct

Which link in the chain of infection is the intervention described below meant to break? "N95 respirators reduce the wearer's exposure to airborne particles, from small particle aerosols to large droplets. N95 respirators are tight-fitting respirators that filter out at least 95% of particles in the air, including large and small particles." (https://www.cdc.gov/coronavirus/2019- ncov/hcp/respirator-use-faq.html) Portal of entry Means of transmission O Infectious agent Susceptible host

During a routine checkup, a 72-year-old patient is advised to receive an influenza vaccine injection. He questions this, saying, “I had one last year. Why do I need another one?” What is an appropriate response from the nurse? a )“The effectiveness of the vaccine wears off after 6 months.”b) “Each year a new vaccine is developed based on the flu strains that are likely to be in circulation.”c )“When you reach 65 years of age, you need boosters on an annual basis.”d) “Taking the flu vaccine each year allows you to build your immunity to a higher level each time.”