Measles Lesson
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Step 12: Discussion Key Points
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- Getting infected with measles erases immune memory.
- The measles vaccine has prevented more than 21 million deaths in the last 20 years.
and go through it step by step.
, but phone 
is an option too.
. You might have to use headphones. 
– they’ll help with the final quiz.
of the final screen and share it with your teacher.
incomplete.