Why are there so many deaths from influenza when it is generally a mild disease?

What is a zoonotic disease? A disease reservoir?

Why do you think there are no longer polio cases in the US, but there are some cases of influenza?

Which type of infection is the MOST easily spread to the largest number of people?   Question 3 options:   a)  gastrointestinal   b)  vector-borne   c)  respiratory   d)  sexually transmitted

In 1969, a 16-year-old boy named Robert Rayford was admitted to a hospital in St. Louis, Missouri. He was weak, emaciated, rife with stubborn infections, and riddled with rare cancerous lesions known as Kaposi’s sarcoma, a skin disease found in elderly men of Mediterranean descent. Three months after he was admitted, he died of pneumonia. More than ten years later, similar cases were seen in states like New York and California. It was eventually discovered that young Robert Rayford actually had AIDS.   Using 2-3 pieces of evidence from the text, explain why Robert Rayford ended up dying from pneumonia.

What are some organizations doing to prevent the spread of malaria?

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.”

What is the major difference between common cold and flu? Why has no vaccine been developed for the common cold?

Betty, who is 25 years of age, has been diagnosed with Raynaud phenomenon. She has been a snow skier for 10 years and would like to continue skiing. She plans to take a weekend trip to Vermont next weekend. How would you explain the disease process to her?

you need a flu shot every year/season because (HA-haemoagglutinin; NA-neuroaminidase) A) the virus can change its HA and NA every year, so a new shot is needed to teach your immune system how to recognize the changed HA and NA B) flu virus gets rid of its HA and NA and replace them with completely new ones every year C) your immune system weakens after a year-so you have to get another shot to get the system strong enough to attack the virus D)antigen shift occurs every year