For those unfamiliar with the source, it is not an unbiased or reliable one[1].

Generally speaking, one should be wary of any article (even a purported review) without a name attached to it.

1. https://mediabiasfactcheck.com/swiss-policy-research/

“German virologist Hendrik Streeck explains the final results of his pioneering antibody study. Professor Streeck found a Covid19 lethality of 0.36%, but explains that this is an upper limit and the lethality is probably in the range of 0.24 to 0.26% or even below. The average age of test-positive deceased was approximately 81 years. Professor Streeck argues that “waiting for a vaccine” is not a good strategy because both the feasibility and effectiveness of a vaccine are uncertain. Biology professor and Nobel Prize winner Michael Levitt, who has been analyzing the spread of Covid19 since February, describes the general lockdown as a „huge mistake“ and calls for more targeted measures, especially to protect risk groups“