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Kurs: Stanford School of Medicine > Rozdział 1
Lekcja 2: GrypaEpidemiologia grypy
The flu has been causing disease and death for a long time. Get a feel for exactly how many folks are affected each year by this disease.
These videos do not provide medical advice and are for informational purposes only. The videos are not intended to be a substitute for professional medical advice, diagnosis or treatment. Always seek the advice of a qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read or seen in any Khan Academy video. Stworzone przez: Stanford School of Medicine.
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