AstraZeneca & Sputnik V COVID-19 Vaccine Combo To Enter Trial

Russians Claim The Lead In Heterologous Coronavirus Vaccination

 
• By Ian Schofield

There is growing in interest in boosting the first dose of a COVID-19 vaccine by administering a different vaccine as the second dose.

Coronavirus. COVID-19, coronavirus in UK
New approaches to coronavirus vaccination are being trialed • Source: Shutterstock

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