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.

Published: 2021-04-28