Flu vaccines 25% effective against worst strain,a
This year's vaccines reduce flu cases by about one third, but effectiveness against the most common strain causing the most misery is lower. Flu viruses are quick-change artists.
from Biotech News
This year's vaccines reduce flu cases by about one third, but effectiveness against the most common strain causing the most misery is lower. Flu viruses are quick-change artists.
The most important thing is to improve and not stop. Even if you have taken some course, this does not mean that you are now a guru. You need to constantly practice, learn something new.
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