Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
. 2023 Mar;86(3):e75-e77.
doi: 10.1016/j.jinf.2022.12.022. Epub 2023 Jan 2.

Flattening the curve: imperative when China eases the severe COVID-19 control policy

Affiliations

Flattening the curve: imperative when China eases the severe COVID-19 control policy

Shilei Zhao et al. J Infect. 2023 Mar.
No abstract available

Keywords: COVID-19 pandemic; Flattening curve; Healthcare system.

PubMed Disclaimer

Conflict of interest statement

Declaration of Competing Interest The authors declare no competing interests.

Figures

Fig 1
Fig. 1
Healthcare system overwhelmed by the shortage of medical resources after retracting the severe COVID-19 control policy. (A) ICU beds per 100,000 people compared with the developed countries. (B) Uneven distribution of population and medical resources in China. The colors on the below map represent population density and the colors on the bottom map represent the number of ICU beds per 100,000 people. (C) Prediction of the ICU bed demand using SUVQC model after retracting the severe control policy. We used the hospitalizations rate of 2.6% and the ICU admissions rate of 0.27% for Omicron patients. The red line indicates the total number of ICU beds in Beijing.
Fig 2
Fig. 2
Estimation of ICU demand under different NPI intensities of the flattening curve strategy. (A-D): 80%, 60%, 40%, and 20% of transmissions of the usual level. The peak values are 23444, 22414, 19511, and 9124, respectively.

References

    1. Mathieu E., Ritchie H., Ortiz-Ospina E., Roser M., Hasell J., Appel C., et al. A global database of COVID-19 vaccinations. Nat Hum Behav. 2021;5(7):947–953. JulPubMed PMID: 33972767. Epub 2021/05/12. - PubMed
    1. Zhao S., Sha T., Wu C., Xue Y., Chen H. Will the large-scale vaccination succeed in containing the COVID-19 pandemic and how soon? Quant Biol. 2021;9(3):304–316. 2021-09-15.
    1. Zhao S., Chen H. Modeling the epidemic dynamics and control of COVID-19 outbreak in China. Quant Biol. 2020;8(1):11–19. PubMed PMID: 32219006. Pubmed Central PMCID: PMC7095099. Epub 2020/03/29. - PMC - PubMed
    1. Liu Y., Rocklov J. The effective reproductive number of the Omicron variant of SARS-CoV-2 is several times relative to Delta. J Travel Med. 2022;29(3) May 31PubMed PMID: 35262737. Pubmed Central PMCID: PMC8992231. Epub 2022/03/10. - PMC - PubMed
    1. Kim D., Ali S.T., Kim S., Jo J., Lim J.S., Lee S., et al. Estimation of serial interval and reproduction number to quantify the transmissibility of SARS-CoV-2 omicron variant in South Korea. Viruses. 2022;14(3) Mar 4PubMed PMID: 35336939. Pubmed Central PMCID: PMC8948735. Epub 2022/03/27. - PMC - PubMed

Publication types