Symptoms

How do you know if you are ill?

How do you know if you are ill?
  1. How long does it take for symptoms of the coronavirus disease to appear?
  2. Who are at higher risk of developing serious illness from COVID-19?
  3. What causes COVID-19?
  4. Can people with mild COVID-19 symptoms recover at home?
  5. What is an asymptomatic case of COVID-19?
  6. In what conditions does COVID-19 survive the longest?
  7. What is the difference between asymptomatic and pre-symptomatic COVID-19?
  8. How long does the virus that causes COVID-19 last on surfaces?
  9. Why are older people at significant risk of COVID-19?
  10. Where was COVID-19 first discovered?
  11. Is COVID-19 caused by a virus or a bacteria?
  12. What are coronavirus diseases?

How long does it take for symptoms of the coronavirus disease to appear?

On average it takes 5–6 days from when someone is infected with the virus for symptoms to show, however it can take up to 14 days.

Who are at higher risk of developing serious illness from COVID-19?

Older people, and those with underlying medical problems like cardiovascular disease, diabetes, chronic respiratory disease, and cancer are more likely to develop serious illness.

What causes COVID-19?

COVID-19 is caused by infection with the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) virus strain.

Can people with mild COVID-19 symptoms recover at home?

People with mild symptoms who are otherwise healthy should manage their symptoms at home. On average it takes 5–6 days from when someone is infected with the virus for symptoms to show, however it can take up to 14 days.

What is an asymptomatic case of COVID-19?

An asymptomatic case is an individual who has a laboratory confirmed positive test and who has no symptoms during the complete course of infection.

In what conditions does COVID-19 survive the longest?

Coronaviruses die very quickly when exposed to the UV light in sunlight. Like other enveloped viruses, SARS-CoV-2 survives longest when the temperature is at room temperature or lower, and when the relative humidity is low (<50%).

What is the difference between asymptomatic and pre-symptomatic COVID-19?

Yes, both terms refer to people who do not have symptoms. The difference is that asymptomatic refers to people who are infected but never develop symptoms during the period of infection while pre-symptomatic refers to infected people who have not yet developed symptoms but do go on to develop symptoms later.

How long does the virus that causes COVID-19 last on surfaces?

Recent research evaluated the survival of the COVID-19 virus on different surfaces and reported that the virus can remain viable for up to 72 hours on plastic and stainless steel, up to four hours on copper, and up to 24 hours on cardboard.

Why are older people at significant risk of COVID-19?

Although all age groups are at risk of contracting COVID-19, older people face significant risk of developing severe illness if they contract the disease due to physiological changes that come with ageing and potential underlying health conditions.

Where was COVID-19 first discovered?

The first known infections from SARS-CoV-2 were discovered in Wuhan, China. The original source of viral transmission to humans remains unclear, as does whether the virus became pathogenic before or after the spillover event.

Is COVID-19 caused by a virus or a bacteria?

The coronavirus disease (COVID-19) is caused by a virus, NOT by bacteria.

What are coronavirus diseases?

Coronaviruses are a group of related viruses that cause diseases in mammals and birds. In humans, coronaviruses cause respiratory tract infections that can range from mild to lethal.

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