The hospitalization rate of children with Omicron strains is five times that of Delta strains.

In a study conducted on the Omicron strain (B.1.1.529), a mutant strain of the violent new coronavirus (SARS-CoV-2), the hospitalization rate at the peak of the epidemic was the Delta strain (B). It became clear that it was more than five times that of .1.617.2).

Hospitalizations of Children and Adolescents with Laboratory-Confirmed COVID-19 — COVID-NET, 14 States, July 2021–January 2022 | MMWR

The Centers for Disease Control and Prevention (CDC) research team has decided not to vaccinate for age reasons, as the Omicron strain began to replace the Delta strain in late December 2021. We surveyed the percentage of children aged 0 to 4 years who were hospitalized with symptoms of coronavirus infection (COVID-19). We analyzed how it increased and decreased compared to the Delta strain.

The survey period was from July 3, 2021 to January 22, 2022, and the hospitalization rate was calculated weekly. Of these, the peak number of hospitalizations was in the week with the final day of September 11, 2021 during the Delta epidemic, and the week with the final day of January 8, 2022 during the Omicron strain epidemic.

As a result of the survey, the hospitalization rate of children aged 0 to 4 years at the peak of Omicron strain was 15.6 per 100,000, which was more than five times the figure of 2.9 per 100,000 at the peak of Delta strain. Turned out. In response to the results that the hospitalization rate of children during the Omicron strain epidemic was significantly higher than that of the Delta strain, the research team said, 'In addition to this index, considering the possibility of long-term sequelae, the COVID-19 incidence rate was set. The importance of a wide range of preventive strategies to reduce was emphasized. '

In addition, a survey of children aged 12 to 17 years who were eligible for vaccination found that the hospitalization rate in December 2021, when the Omicron strain was predominant, was about six times higher for unvaccinated people than for those who completed vaccination. The results were shown.

'In addition to preventive strategies such as wearing a mask, vaccination is important to reduce the severity of COVID-19. Everyone who qualifies should be vaccinated, thereby self and vaccination. It can reduce the risk of aggravation of others, including those who are not qualified. '

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