Covid 19 vaccination

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Across
  1. 3. Risk factor for severe disease
  2. 7. Different strains are known as this
  3. 8. mRNA vaccine developed in the US
  4. 10. mRNA vaccine developed in Germany
  5. 11. Global epidemic
Down
  1. 1. Serious but rare side effect of the vaccine concerning the heart
  2. 2. How often the vaccine is offered
  3. 4. Extra dose for additional protection
  4. 5. common symptom of long covid
  5. 6. Able to be passed from one person to another
  6. 9. Variant of the virus
  7. 10. Respiratory complication of Covid 19