1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
masya89 [10]
3 years ago
14

What challenges do vaccine makers face in their attempts to produce an effective vaccine against the flu?

English
2 answers:
andrezito [222]3 years ago
8 0
<span>D. They have to predict which strains of flu will become active months before the flu season begins.

The text states, "</span>Creating a flu vaccine is a bit of a guessing game, because the shots take months to manufacture. Each year in February, the World Health Organization (WHO) tries to predict<span> what viruses may be circulating the following winter, a process that can change as bugs mutate. " This supports the answer that a challenge for vaccine makers is determining which strain of the flu must be targeted in order to prevent its spread. </span>
Sati [7]3 years ago
7 0

Answer:

D. They have to predict which strains of flu will become active months before the flu season begins.

Explanation:

You might be interested in
Something that is arguable is
koban [17]
 Something that is arguable is<span> incapable of being disputed open for people to disagree unfair to others involved best used in fictional storie.</span>
8 0
4 years ago
Read 2 more answers
Choose the answer.
lukranit [14]

Answer:

A Slave ;-;

...........

8 0
3 years ago
Read the sentence. Use the relationships of the words in the sentence to answer the question.
vova2212 [387]

strange, baffling and inexplicable are all synonyms to mysterious.

4 0
3 years ago
Read 2 more answers
What is the difference between
Aneli [31]
The difference would be that
The melting pot is clean and clear with no chunks as of the chunky stew there would be chunks of whatever you put in there
5 0
2 years ago
Which line first suggests that Mrs. Stevenson might be the intended victim?
oee [108]

Answer:

when she hears a noise while talking on the phone, as if someone was downstairs hearing her call

Explanation:

i just did this lesson in class q-q

3 0
3 years ago
Other questions:
  • In which sentence is the number written correctly?
    8·2 answers
  • Write a short story
    13·2 answers
  • Can someone help me with the please
    9·1 answer
  • Question 1. Part A: Which of the following best describes a theme of the story? *
    12·1 answer
  • In Adam Nossiter's article "Farmer on Trial Defends Smuggling Migrants: ‘I Am a Frenchman,'" we learn Cedric Herrou's lawyer def
    11·1 answer
  • Is this correct, So you need correct capitalized errors.
    10·1 answer
  • What is “positive visualization” (3), and what does Burkeman tell us are the problems with this approach?
    13·1 answer
  • Colors - Halsey
    6·2 answers
  • What would happen if you had to go to school year-round? You would still have breaks that would equal a summer break, but now th
    13·1 answer
  • The subtitle of the poem is “(You never know what troubled little girl needs a book).” What might this subtitle suggest about a
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!