Can different Covid-19 vaccines be mixed?

Jacinda Ardern admits good relationship with Spanish President Pedro Sánchez 'possibly' helped secure extra COVID-19 vaccines

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Pfizer believes pandemic to end in 2024, announces plans for three-dose vaccine regimen for children

Pfizer-BioNTech vaccine approved in New Zealand but still no arrival date, as Government reveals who gets first jab

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Who can get the AstraZeneca vaccine and how is it different to Pfizer?