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COVID-19: Overview of SARS-CoV-2 symptoms and transmission
COVID-19 is a contagious disease caused by the SARS-CoV-2 coronavirus. The disease spread globally in January 2020, initiating a worldwide pandemic.
Symptoms vary and can include fever, fatigue, cough, breathing difficulties, and loss of taste or smell. Symptoms typically appear within one to fourteen days of exposure. Notably, at least one-third of infected individuals do not develop noticeable symptoms.
Among patients with noticeable symptoms, 81% experience mild to moderate cases, 14% develop severe symptoms such as hypoxia, and 5% face critical symptoms including respiratory failure or shock. Older populations face a higher risk of severe illness. Individuals can remain contagious for up to 20 days.
Entities
Claims
What the coverage asserts, and how many sources carry each claim.
- [● 3 SOURCES] The disease spread worldwide in January 2020, leading to a pandemic. www.ricb.bt · www.food-blog.co.za · bellasara.com
- [● 3 SOURCES] At least one-third of infected individuals do not show noticeable symptoms. www.ricb.bt · www.food-blog.co.za · bellasara.com
- [● 3 SOURCES] Infected individuals can remain contagious for up to 20 days. www.ricb.bt · www.food-blog.co.za · bellasara.com
- [● 3 SOURCES] COVID-19 is caused by the SARS-CoV-2 coronavirus. www.ricb.bt · www.food-blog.co.za · bellasara.com
- [● 3 SOURCES] Of symptomatic patients, 81% experience mild to moderate symptoms, 14% experience severe symptoms, and 5% experience critical symptoms. www.ricb.bt · www.food-blog.co.za · bellasara.com