1) The vaccination against colds is impossible because ... a) it lasts for five to seven days. b) there are more than 80 different constantly mutating rhinoviruses. c) the body’s own defense mechanisms need to fight the viruses. 2) What is the difference between influenza and a cold? a) b) c) 3) Why didn`t they watch TV?Because they didn`t have any electricity a) T b) F

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