The European Medicines Agency Wednesday said there are “good scientific grounds” to suggest that mixing COVID-19 vaccines is safe and effective.
That’s because, currently, all the approved vaccines work in a similar way — by stimulating an immune response to the viral spike protein, the EMA said in an email.
Group of Seven (G-7) leaders on Sunday called for a renewed, "transparent" investigation into the origins of the coronavirus and pledged to give 1 billion vaccine doses to countries in need as their weekend of meetings in the United Kingdom came to an end.
Leaders of the major industrial nations have pledged one billion Covid vaccine doses to poor countries as a "big step towards vaccinating the world", Boris Johnson has said.
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