Controversy has arisen on the validity of mathematical models to describe the spread of the pandemic, on the testing procedures and the ways to achieve significant tracking of the spread of the virus, on the validity of various therapies, on the nature and performance of various vaccines, on social and political issues about lockdown policies, etc. In this issue we present just two papers, addressing the first issues in the above paragraph, mathematical models and testing strategies. They represent very thorough work that had clear application in the design of pandemic management in Argentina.
Science Reviews - from the end of the world (ISSN 2683-9288) is a quarterly publication that aims at providing authoritative reviews on hot research topics developed mainly by scientists that carry out their work far away from the main centers of science. Its research reviews are short, concise, critical and easy-reading articles describing the state of the art on a chosen hot topic, with focus on the research carried out by the authors of the article. These articles are commissioned by invitation and are accessible not only to hardcore specialists, but also to a wider readership of researchers interested in learning about the state-of-the-art in the reviewed subject. The reviews cover all fields of science and are written exclusively in English. They are refereed by peers of international prestige and the evaluation process follows standard international procedures.