"Report on the plague that broke out in Moscow in 1771" is a detailed study of the historical event by Mertens Charles de. In his book, he reveals a terrible epidemic that engulfed the capital of the Russian Empire, unfolding catastrophic consequences for the city and its inhabitants. The author describes in detail the spread of the disease, the measures taken to eliminate it, and reflects the social and cultural aspects associated with the outbreak of the plague. This book is a valuable document that sheds light on the events of the time and provides an opportunity to better understand the history of medicine and public health.