COVID-19: what has been learned and to be learned about the novel coronavirus disease

Ye Yi1, Philip N P Lagniton1, Sen Ye1

  • 1Institute of Translational Medicine, and Centre of Reproduction, Development and Aging, Faculty of Health Sciences, University of Macau, Taipa, Macau, China.

Insights

The Coronavirus disease 2019 (COVID-19) outbreak, caused by SARS-CoV-2, is a global health crisis. This review covers COVID-19 epidemiology, virology, and prevention, aiding understanding and eradication efforts.

Area of Science:

  • Virology
  • Epidemiology
  • Public Health

Background:

  • The emergence of Coronavirus disease 2019 (COVID-19), caused by SARS-CoV-2, presents a significant global health threat.
  • COVID-19 shares similarities with SARS-CoV but exhibits higher transmissibility and affects specific demographics, including the elderly, men, and a broader population.
  • The rapid increase in research necessitates a consolidated overview of the evolving understanding of the disease.

Purpose of the Study:

  • To provide a comprehensive review of the current research on COVID-19.
  • To consolidate information on the epidemiology, etiology, virology, diagnosis, treatment, prognosis, and prevention of COVID-19.
  • To aid in the understanding and control of the SARS-CoV-2 pandemic.

Main Methods:

  • Literature review of rapidly developing research on COVID-19.
  • Synthesis of information from various scientific publications.
  • Compilation of data on disease characteristics and management strategies.

Main Results:

  • COVID-19, caused by SARS-CoV-2, has a lower severity and mortality than SARS but is more transmissible.
  • The disease disproportionately affects the elderly and men.
  • A comprehensive overview of key aspects of COVID-19 is presented, highlighting areas needing further investigation.

Conclusions:

  • Despite ongoing research, many questions regarding SARS-CoV-2 remain unanswered.
  • This review aims to enhance the understanding of COVID-19 to support eradication efforts.
  • Continued research and information dissemination are crucial for managing the COVID-19 pandemic.

Related Concept Videos

Steps in Outbreak Investigation01:18

Steps in Outbreak Investigation

In the ever-evolving field of public health, statistical analysis serves as a cornerstone for understanding and managing disease outbreaks. By leveraging various statistical tools, health professionals can predict potential outbreaks, analyze ongoing situations, and devise effective responses to mitigate impact. For that to happen, there are a few possible stages of the analysis:
428
Viral Mutations00:36

Viral Mutations

A mutation is a change in the sequence of bases of DNA or RNA in a genome. Some mutations occur during replication of the genome due to errors made by the polymerase enzymes that replicate DNA or RNA. Unlike DNA polymerase, RNA polymerase is prone to errors because it is not capable of “proofreading” its work. Viruses with RNA-based genomes, like HIV, therefore accrue mutations faster than viruses with DNA-based genomes. Because mutation and recombination provide the raw material...
39.4K
Infection01:20

Infection

When a pathogen enters the body and reproduces, it can cause an infection, damage body cells, and cause illness symptoms that eventually lead to disease. Therefore, its prevention requires breaking the chain of infection.
The chain begins with pathogens: bacteria, viruses, fungi, prions, or parasites such as protozoa helminths. These can be present on the skin as transient or resident flora, or they can be acquired from the environment. Identifying and treating the type of infection and...
11.5K
Controls in Experiments01:13

Controls in Experiments

When conducting an experiment, it is crucial to have control to reduce bias and accurately measure the dependent variables. It also marks the results more reliable. Controls are elements in an experiment that have the same characteristics as the treatment groups but are not affected by the independent variable. By sorting these data into control and experimental conditions, the relationship between the dependent and independent variables can be drawn. A randomized experiment always includes a...
14.6K
What are Viruses?00:50

What are Viruses?

Overview
127.1K
Single Nucleotide Polymorphisms-SNPs01:05

Single Nucleotide Polymorphisms-SNPs

A single nucleotide polymorphism or SNP is a single nucleotide variation at a specific genomic position in a large population. It is the most prevalent type of sequence variation found in the human genome. Point mutations that occur in more than 1% of the population qualify as SNPs. These are present once every 1000 nucleotides on an average in the human genome. Replacement of a purine with another purine (A/G) or a pyrimidine with another pyrimidine (C/T) is known as a transition. In contrast,...
17.7K