Background
The corona plague that broke out in China in December 2019, spread rapidly throughout the world and changed life order. The disease spread by the corona family virus (SARS-CoV-2) has been referred to as COVID-19 (Corona epidemic 2019).
During the first year of the spread of the virus, the main way to defend oneself was by maintaining social distance - distance between people who are in a certain place (shop, queue, etc.)
, and closures.
About the signs
The signs are varied in different shapes and places. Afterwards we concentrated only a few signs, such as those that appeared in the first days of the plague
,
, or signs of special value