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Continue to Chathttps://covid-19pharmacovigilance.paho.org/blog/ema-published-an-update-on-the-effectiveness-of-covid-19-vaccines-against-the-omicron-variant
https://covid-19pharmacovigilance.paho.org/blog/ema-published-an-update-on-the-effectiveness-of-covid-19-vaccines-against-the-omicron-variant