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A systematic review of asymptomatic infections with COVID-19

Zhiru Gao1, Yinghui Xu1, Chao Sun1

  • 1Cancer Center, The First Hospital of Jilin University, Changchun, Jilin, 130021, China.

Journal of Microbiology, Immunology, and Infection = Wei Mian Yu Gan Ran Za Zhi
|May 20, 2020
PubMed

Insights

Many individuals with coronavirus disease 2019 (COVID-19) show no symptoms but can still spread the virus. This review examines asymptomatic COVID-19 cases to aid global prevention efforts.

Area of Science:

  • Infectious Diseases
  • Public Health
  • Epidemiology

Background:

  • The global spread of coronavirus disease 2019 (COVID-19) presents significant challenges.
  • Asymptomatic and mildly symptomatic individuals are capable of transmitting the virus.
  • Screening for asymptomatic infections is difficult, complicating epidemic control.

Purpose of the Study:

  • To review the characteristics of asymptomatic COVID-19 infections.
  • To summarize current knowledge on the treatment and outcomes of asymptomatic COVID-19.
  • To provide insights for the early prevention and control of COVID-19.

Main Methods:

  • Literature review of studies on asymptomatic COVID-19.
  • Analysis of reported characteristics, transmission, and clinical outcomes.
  • Synthesis of findings related to public health interventions.

Main Results:

  • Asymptomatic COVID-19 cases contribute to viral transmission.
  • Challenges exist in identifying and isolating asymptomatic carriers.
  • Understanding asymptomatic cases is crucial for effective containment.

Conclusions:

  • Asymptomatic COVID-19 infections pose a significant public health threat.
  • Effective prevention requires strategies that account for asymptomatic transmission.
  • Further research is needed to optimize management of asymptomatic cases worldwide.

Keywords:
Asymptomatic infectionsCOVID-19Epidemiological characteristicOutcomeSARS-CoV-2

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