The number of people infected with the new coronavirus nationwide has been increasing since before and after the state of emergency was lifted, and it has already exceeded the peak level of the second wave of infection spread and started to spread in the third wave in early November last year. Compared to that, it is about double.


In the spread of infection so far, the higher the level of the number of infected people at the beginning of the spread, the larger the number of people at the peak after that, and it is expected that the number of severely ill people will increase in the future. It is said that the house needs to improve the medical system such as securing a bed as soon as possible.

1 wave 2 waves 3 waves The number of infected people who have stopped falling gradually increases ...

Infection expansion of new coronavirus in Japan


the first wave of ▽ since last March


▽ second wave since July last year


and


three times has occurred, but the third wave of ▽ last year since around November


of each wave Then, when the decrease in the number of infected people has stopped declining, the number of infected people is gradually increasing.

Looking at each wave of infection spread


▽ In the first wave, after the number of infected people nationwide decreased to 21 on May 25, last year, it remained at about 50 to 100 until the end of June. After that, it became the second wave and peaked at 1605 people on August 7.



▽ In the second wave, after the number of infected people nationwide decreased to 219 on September 23, last year, it remained at several hundred to 1,000 until the beginning of November, but after that, it became the third wave 1 The peak was 7949 on the 8th of March.



In the past spread of infection, if the level of the number of infected people at the beginning of the spread is high, the number of people at the peak of subsequent infections is also high.



▽ In the third wave, the number of infected people nationwide decreased to 600 on the 8th of this month and then remained at around 1000, but the


current number of infected people has exceeded the previous week in the week until the 29th. With 36 prefectures, the number of people has already exceeded the peak level of the 2nd wave at a level of nearly 2000 people nationwide, and it has almost doubled compared to the beginning of November last year when the expansion started in the 3rd wave. I will.

The peak number of severely ill people lags behind the increase in the number of infected people ...

In addition, with the spread of infection so far, the number of seriously ill people who have a heavy burden on the medical system tends to increase behind the increase in the number of infected people, such as peaking around 20 days after the number of infected people peaks. ..

The number of seriously ill patients had been on a downward trend until last week, but on the 29th, it has been increasing for the first time since late January for the third consecutive day, and specialists need to improve the medical system such as securing beds as soon as possible.

Expert "If it starts to increase in earnest, there is a risk of further expansion"

Professor Kazuhiro Tateda of Toho University (Member of a subcommittee of the government / Chairman of the Japan Society for Infectious Diseases)


"If the number of infected people is high, the wave of subsequent infections tends to increase. The number of infected people is in the 300s, which is a very high level. If the infection starts to increase in earnest from here, there is a possibility that it will spread even more. ”


“ Areas with high risk of infection now It is necessary to find and deal with hidden sources of infection in the city, such as by actively testing asymptomatic people in Japan. In areas where the number of infected people is increasing, the number of seriously ill people will increase in the future. With that in mind, we must improve the medical system, such as securing beds. "