What's the difference between all the Covid vaccines?

First there was Pfizer, then AstraZeneca, now Moderna and Novavax. How do they differ? And which might you get?Coronavirus – latest updatesSee all our coronavirus coverage Continue reading... https://www.theguardian.com/world/2021/jan/31/whats-the-difference-between-all-the-covid-vaccines #coronavirus #vaccines_and_immunisation #infectious_diseases #health #society #medical_research #science