N.S. data on 'breakthrough cases' proves COVID-19 vaccines are working, expert says

Media coverage

• Title	N.S. data on 'breakthrough cases' proves COVID-19 vaccines are working, expert says
  Media name/outlet	CBC
  Country/Territory	Canada
  Date	6/5/21
  Persons	Noni E. MacDonald

• Title	N.S. data on 'breakthrough cases' proves COVID-19 vaccines are working, expert says
  Media name/outlet	Yahoo! Canada
  Country/Territory	Canada
  Date	6/5/21
  Persons	Noni E. MacDonald