subject
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.

ansver
Answers: 3

Other questions on the subject: Business

image
Business, 21.06.2019 17:40, cookieasd9000
Anne is comparing savings accounts. one account has an interest rate of 1.2 percent compounded yearly, and one account has an interest rate of 1.2 percent compounded monthly. which account will earn more money in interest? the account that earns 1.2 percent compounded yearly the account that earns 1.2 percent compounded monthly
Answers: 2
image
Business, 21.06.2019 21:30, AquariusOx
Price and efficiency variances, journal entries. the schuyler corporation manufactures lamps. it has set up the following standards per finished unit for direct materials and direct manufacturing labor: direct materials: 10 lb. at $4.50 per lb. $45.00 direct manufacturing labor: 0.5 hour at $30 per hour 15.00 the number of finished units budgeted for january 2017 was 10,000; 9,850 units were actually produced. actual results in january 2017 were as follows: direct materials: 98,055 lb. used direct manufacturing labor: 4,900 hours $154,350 assume that there was no beginning inventory of either direct materials or finished units. during the month, materials purchased amounted to 100,000 lb., at a total cost of $465,000. input price variances are isolated upon purchase. input-efficiency variances are isolated at the time of usage. 1. compute the january 2017 price and efficiency variances of direct materials and direct manufacturing labor. 2. prepare journal entries to record the variances in requirement 1. 3. comment on the january 2017 price and efficiency variances of schuyler corporation. 4. why might schuyler calculate direct materials price variances and direct materials efficiency variances with reference to different points in time
Answers: 2
image
Business, 22.06.2019 14:10, gia2038
Carey company is borrowing $225,000 for one year at 9.5 percent from second intrastate bank. the bank requires a 15 percent compensating balance. the principal refers to funds the firm can effectively utilize (amount borrowed − compensating balance). a. what is the effective rate of interest? (use a 360-day year. input your answer as a percent rounded to 2 decimal places.) b. what would the effective rate be if carey were required to make 12 equal monthly payments to retire the loan?
Answers: 1
image
Business, 22.06.2019 16:40, kat1191
Job applications give employers uniform information for all employees, making it easier to
Answers: 1
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 in other subjects:

Konu
Mathematics, 03.09.2021 23:50
Konu
Mathematics, 03.09.2021 23:50
Konu
Mathematics, 03.09.2021 23:50
Konu
Social Studies, 03.09.2021 23:50
Konu
Mathematics, 03.09.2021 23:50
Konu
Mathematics, 03.09.2021 23:50