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Bacteria and Viruses
Poor health and weakened cells make people more
vulnerable to viruses. Try to avoid getting
sick by developing good habits: eat healthy
foods, drink lots of water, and exercise.
It is also important to wash your
hands often. Check
What does a virus need to
reproduce itself?
It needs a host cell.
More Words organism moist contain carry out vulnerable habit
Unit 11 | Bacteria and Viruses
