× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
k
4
4
c
4
M
3
t
3
i
3
B
3
k
3
m
3
c
3
o
3
l
3
Home Q & A Board Biology-Related Homework Help Medicine Immunology
New Topic  
sarthaknitw sarthaknitw
wrote...
Go to Answer
Posts: 511
Rep: 0 0
6 years ago
The reason that vaccines against influenza must be administered annually, unlike vaccines against measles, is _____.
 
  a. the antigens that stimulate protection against influenza virus are inside the virion and not on the surface
  b. influenza is an RNA virus with a higher mutation rate
  c. influenza stimulates T-independent responses that fail to generate memory cells
  d. the polysaccharide antigens of influenza stimulate poor immune responses.
Read 75 times
1 Reply
Replies
Answer verified by a subject expert
heyouheyou
wrote...
#1
Posts: 376
Rep: 6 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

sarthaknitw Author
wrote...

6 years ago
This helped my grade so much Perfect
ofsuahasiufhoas
wrote...

Yesterday
Thank you, thank you, thank you!
Shassta22
wrote...

2 hours ago
Smart ... Thanks!
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  980 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 189
  
 302
  
 37
Your Opinion
What's your favorite coffee beverage?
Votes: 299
Previous poll results: What's your favorite funny biology word?