Business, 07.05.2020 01:13 serenityburke

Every year a new version of the flu vaccine is made using a mixture of strains. The strains are chosen based on surveillance and analysis by experts from the FDA, WHO. and CDC. For other diseases however, such as varicella (chickenpox), the same vaccine is used continually and repeated vaccinations are not necessary. What do you conclude is the important difference between the influenza virus and the varicella zoster virus with regards to vaccinations?

A) Influenza envelope proteins are bound by IgM, while varicella envelope proteins are bound by IgG.

B) Influenza virus has a much higher mutation rate than varicella, leading to frequent antigen changes in the coat proteins.

C) Varicella is attacked by the innate immune system, while influenza is attacked by the acquired immune system.

D) Influenza virus is transmitted through aerosol droplets in the air, while varicella can be transmitted via skin secretions.

Answers: 3

Show answers

Another question on Business

Business, 21.06.2019 20:30

He management's discussion and analysis (md& a) required in general purpose federal financial reporting is different than that required by gasb of state and local governments in that: a. it includes information about the agency's performance goals and results in addition to financial activities. b. it is outside the general purpose federal financial report and is optional, not required. c. it is a part of the basic financial statements and, as a result, it is audited along with the financial statements. d. there are no significant differences.

Answers: 2

Answer

Business, 21.06.2019 21:30

What is the eventual effect on real gdp if the government increases its purchases of goods and services by $80,000? assume the marginal propensity to consume (mpc) is 0.75. $ what is the eventual effect on real gdp if the government, instead of changing its spending, increases transfers by $80,000? assume the mpc has not changed. $ an increase in government transfers or taxes, as opposed to an increase in government purchases of goods and services, will result in an identical eventual effect on real gdp. a smaller eventual effect on real gdp. a larger eventual effect on real gdp. no change to real gdp.

Answers: 3

Answer

Business, 22.06.2019 11:30

Leon and sara are arguing over when the best time is to degrease soup. leon says that it's easiest to degrease soup when it's boiling. sara says it's easiest to degrease soup when it's cold. who is correct? a. neither leon nor sara is correct. b. leon is correct. c. both leon and sara are correct. d. sara is correct. student b incorrect which following answer correct?

Answers: 1

Answer

Business, 23.06.2019 01:10

Atariff on avocadoes the price of avocadoes, consumers' surplus for avocado buyers, producers' surplus of avocado growers and tariff revenue. because the loss to is more than the gain to there is a net loss to society.raises; decreases; increases; generates; consumers; producers and government raises; increases; decreases; does not generate; producers and government; consumers lowers; increases; decreases; does not generate; producers and government; consumers raises; increases; decreases; generates; producers; consumers and government

Answers: 2

Answer

You know the right answer?

Every year a new version of the flu vaccine is made using a mixture of strains. The strains are chos...

Questions