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How do scientists know how to make a flu vaccine if viruses can be different every year?

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posted Apr 8, 2017 by Purabi Sarkar

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Can you tell us the first names of the following scientists?
1) Newton
2) Einstein
3) Bohr
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5) Pauling
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7) Darwin
8) Curie
9) Curie
10) Hawking
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12) Galilei
13) Copernicus
14) Heisenberg
15) Brahe
16) Planck
17) Crick
18) Feynman

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Can the illness of a Baby (in the womb) be detected early?

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