The city of Great Guslyar was put on the map of the country of Fantasy about thirty years ago. Over the years, an incredible number of funny and sad, strange and completely impossible events have happened to its inhabitants. Repeated visits to the city by aliens (in terms of the number of contacts per capita, the Great Guslyar firmly ranks first in the world), the ingenious inventions of Professor Mints, and even ordinary magic - what did not excite the life of the city and the imagination of readers!.. In the collection “Viruses do not wash off” "- the author included two dozen of the funniest stories from the chronicles of the city.