About the book: 2022 / By the time the book was written, the author had more than 9 years of teaching experience at a medical institute, numerous presentations at international conferences. Also, D.V. Ivanov represented Russian medical science in the People's Republic of China for 4 years. The government of the People's Republic of China recognized him as a specialist of the highest category - category A. The invaluable experience gained through working with the Chinese allowed him to study the way of life, culture, traditions of this country, and also gave the author the opportunity to draw clear conclusions about what is happening in China and the world already in February 2020 and in Russia - in connection with the declared covid-19 pandemic... “I would not be surprised if for some these materials will be familiar, and for some they may become a complete revelation. But after reading, as they say, all the puzzles should fit into the overall picture!” the author assures, adding that the book was compiled taking into account clinical experience, scientific and teaching activities. Designed for a wide range of readers.