MOSCOW, April 30. /TASS/ — the disease may suddenly change, and this is the insidiousness of coronavirus, said the head of Ministry of health of Russia Mikhail Murashko.

“This virus is insidious, and sometimes the disease suddenly changes its course. In the background, like improvement and good enough devolution symptoms suddenly there is a new wave. Here it is important not to miss the state change of the patient”, — he told on air of TV channel “Russia-1”.

At the same time, he noted that the restrictive measures due coronavirus has affected the structure of morbidity in Russia, people become more cautious, and it helps the health care system.