Article(electronic)#1March 1, 2021
Psychological aspects of history e-learning
In: Voprosy istorii: VI = Studies in history, Volume 2021, Issue 3, p. 158-172
Acute respiratory viral infections (ARVI) cause more than 80% of all acute respiratory diseases. Like most viral pathogens of SARS, coronaviruses are RNA viruses, but they have the largest genome in terms of size - about 29 thousand nucleotides. Live anti-coronavirus vaccines have been developed for dogs and domestic chickens, because their respective varieties cause severe chronic infection and high viral mortality.