New Covid vaccines needed globally within a year, say scientists – The Guardian

CoronavirusSurvey of experts in relevant fields concludes that new variants could arise in countries with low vaccine coverage
Tue 30 Mar 2021 00.01 BST
The planet could have a year or less before first-generation Covid-19 vaccines are ineffective and modified formulations are needed, according to a survey of epidemiologists, virologists and infectious disease specialists.
Scientists have long stressed that a global vaccination effort is needed to satisfactorily neutralise the threat of Covid-19….

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