I don't know about national lockdowns, but there were plenty of predictions, not of SARS relatives specifically, but of flu-type pandemics, in 2019 and before:

I don't know about national lockdowns, but there were plenty of predictions, not of SARS relatives specifically, but of flu-type pandemics, in 2019 and before: https://www.businessinsider.com/people-who-seemingly-predicted-the-coronavirus-pandemic-2020-3 https://www.businessinsider.com/people-who-seemingly-predict... .