If those continues rolling outbreaks into 2021 and 2022. This is consistent with the thoughts of the few big pharma presentations I've seen.
www.theguardian.com

'I'm not an anti-vaxxer, but...' US health workers' vaccine hesitancy raises alarm
With up to 40% of frontline workers in LA county refusing Covid-19 inoculation experts warn that understanding and persuasion are needed