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Global News Hour at 6 Edmonton
May 12 2021 8:39pm

Health Matters: Mixing COVID-19 vaccines & why dialysis patients could need second shot sooner

Health Matters May 12: In light of AstraZeneca supply issues, is it safe to use a different COVID-19 vaccine for second doses? And a new Canadian study suggests most dialysis patients don’t receive much protection from their first dose. Su-Ling Goh reports.

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