| http://www.w3.org/ns/prov#value | - flu.Someone who has a long-term respiratory illness such as asthma or chronic obstructive pulmonary disease (COPD) comes down with the flu.A child or adult:Vomits repeatedly and can not keep fluids downExperiences severe pain when swallowingExperiences a cough that does not go away for more than 2 to 3 weeks Key Point 2Flu vaccines do work, but are not 100 percent effective in preventing seasonal inf
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