Coronavirus vaccination letter vocabulary

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Across
  1. 4. necessary
  2. 6. the correct amount of medicine to take at one time
  3. 7. be not a problem for
Down
  1. 1. say that something is OK for you
  2. 2. _____ up: arrive
  3. 3. the basic information about something
  4. 5. make an _____: try very hard