Related Experiment Video
Updated: Dec 11, 2025
03:53
Author Spotlight: Advancements in Multiplex Detection of Respiratory Viruses
Published on: November 10, 2023
1.7K
COVID-19: Epidemiology, Pathophysiology, Transmission, Symptoms
Jennifer Leap1, Vipin Villgran, Tariq Cheema
1Division of Pulmonary Critical Care Medicine, Allegheny General Hospital, Allegheny Health Network, Pittsburgh, Pennsylvania.
Critical Care Nursing Quarterly
|August 25, 2020
Summary
The coronavirus disease 2019 (COVID-19) is caused by SARS-CoV2, leading to varied illness severity. This review details the virus
Area of Science:
- Epidemiology
- Virology
- Public Health
Background:
- COVID-19 is an infectious disease originating from the SARS-CoV2 virus.
- The virus presents a spectrum of illness, from asymptomatic infection to severe respiratory distress.
Purpose of the Study:
- To provide a comprehensive overview of SARS-CoV2.
- To detail the epidemiology, pathophysiology, transmission, and clinical symptoms of COVID-19.
Main Methods:
- Literature review of existing studies on SARS-CoV2.
- Synthesis of epidemiological data.
- Analysis of viral transmission routes and mechanisms.
Main Results:
- SARS-CoV2 exhibits diverse transmission dynamics.
- Pathophysiology ranges from mild symptoms to severe acute respiratory distress syndrome (ARDS).
- Understanding symptoms is crucial for early detection and management.
Conclusions:
- COVID-19 poses a significant global health challenge.
- Comprehensive knowledge of SARS-CoV2 is essential for effective control strategies.
- Further research into viral behavior and disease progression is warranted.
More Related Videos
Related Concept Videos
01:20Infection
11.3K
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...
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...
11.3K
01:26Stages of Infection
64.3K
Stages of infection describe what happens to a susceptible host once a pathogen invades the human body. The stages of infection are incubation, prodromal, illness, stage of decline, and convalescence. The incubation stage is the period from exposure to a pathogen until symptoms start. The infected person is unaware of impending illness as the pathogens grow and multiply within the body. The duration may vary depending on the type of infection. The incubation period of measles averages ten to...
64.3K
01:28Pulmonary Tuberculosis II
1.1K
Tuberculosis, or TB, is a bacterial infectious disease caused by Mycobacterium tuberculosis. While its primary impact is on the lungs, leading to pulmonary tuberculosis, it can also affect various other organs, a condition referred to as extrapulmonary tuberculosis.
Here is a detailed explanation of its pathophysiology:
Transmission: The process begins when a person inhales droplet nuclei containing M. tuberculosis. These are typically released into the air when an individual with pulmonary or...
Here is a detailed explanation of its pathophysiology:
Transmission: The process begins when a person inhales droplet nuclei containing M. tuberculosis. These are typically released into the air when an individual with pulmonary or...
1.1K
01:20COPD: Pathogenesis and Clinical Features
1.6K
Chronic obstructive pulmonary disease (COPD) is a group of lung conditions that progressively worsen over time, including chronic bronchitis and emphysema. This cluster of diseases collectively leads to a gradual and irreversible decline in lung function over time.
The primary cause for the onset of COPD is cigarette smoking and exposure to air pollution. These hazardous factors initiate a chain reaction within the lungs, resulting in chronic inflammation, damage to the airways, and a...
The primary cause for the onset of COPD is cigarette smoking and exposure to air pollution. These hazardous factors initiate a chain reaction within the lungs, resulting in chronic inflammation, damage to the airways, and a...
1.6K
01:29Pneumonia II: Pathophysiology
2.2K
The pathophysiology of pneumonia involves the following steps:
2.2K
01:20Chronic Obstructive Pulmonary Disease-II: Pathophysiology
4.0K
Chronic Obstructive Pulmonary Disease (COPD) pathophysiology is intricate and multifaceted, involving a complex interplay of physiological processes. Understanding these mechanisms is crucial for effectively managing and treating COPD. Here is an in-depth look at the critical elements in the pathophysiology of COPD:
Chronic Inflammation
Chronic Inflammation
4.0K