Pfizer COVID-19 vaccine effective against coronavirus variants, study finds - Fox News

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1. Pfizer COVID-19 vaccine effective against coronavirus variants, study finds  Fox News
2. Canada authorizes coronavirus vaccine for children ages 12 to 15 | Covid-19 Special  DW News
3. Real-world data from Qatar suggests 2 doses of Pfizer's vaccine are needed against variants  Business Insider
4. Answering your questions about kids and COVID-19 vaccines  Good Morning America
5. Moderna Booster Effective; Canada May Mix Shots: Virus Update  Yahoo Canada Finance
6. View Full Coverage on Google News

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