In this interview published on YouTube on March 26, 2020, John P.A. Ioannidis reiterates his criticism of the lack of data on the measures implemented worldwide to combat the Covid-19 pandemic.
https://www.youtube.com/watch?v=d6MZy-2fcBw&list=PLwCGevzxnm9_nt88NqAwDpT8lYYXcByyO&index=1