Is Coronavirus deadly?

What Is a Coronavirus?

Coronaviruses are a family of viruses known for containing strains that cause potentially deadly diseases in mammals and birds. In humans, they’re typically spread via airborne droplets of fluid produced by infected individuals.
Some rare but notable strains, including Wuhan coronavirus (2019-nCoV), and those responsible for severe acute respiratory syndrome (SARS) and the Middle East respiratory syndrome (MERS), can cause death in humans.
First described in detail in the 1960s, the coronavirus gets its name from a distinctive corona or ‘crown’ of sugary-proteins that projects from the envelope surrounding the particle. Encoding the virus’s make-up is the longest genome of an RNA-based virus – a single strand of nucleic acid roughly 26,000 to 32,000 bases long.
There are four known genera in the family, named Alphacoronavirus, Betacoronavirus, Gammacoronavirus, and Deltacoronavirus. The first two only infect mammals, including bats, pigs, cats, and humans. Gammacoronavirus mostly infects birds such as poultry, while Deltacoronavirus can infect both birds and mammals.

What are the symptoms of a coronavirus?

Coronaviruses can give rise to a variety of symptoms in different animals. While some strains cause diarrhea in pigs and turkeys, most of the time infections can be compared to a bad cold, causing mild to moderate upper respiratory problems such as a runny nose and sore throat.

There are a handful of lethal exceptions, which have had a devastating impact on livestock and human health around the globe.

Wuhan coronavirus

Wuhan coronavirus was first identified in the Chinese city of Wuhan in 2019. At the time of writing, numbers of infected are still on the rise, with several deaths having been reported. Snakes have been suspected as a potential source for the outbreak, though other experts currently consider this as unlikely.

Severe acute respiratory syndrome

SARS was first recognized as a distinct strain of coronavirus in 2003. The source of the virus has never been clear, though the first human infections can be traced back to the Chinese province of Guangdong in 2002. The virus then became a pandemic, causing more than 8,000 infections of an influenza-like disease in 26 countries with close to 800 deaths.

Middle East respiratory syndrome

MERS was first identified in Saudi Arabia in 2012 in people displaying symptoms of fever, cough, shortness of breath and occasionally gastrointestinal problems such as diarrhea. An animal source for the virus has never been officially confirmed, though evidence points to dromedary camels as a potential reservoir of infection. The World Health Organisation has identified around 2,500 cases of infection in 27 countries since initial outbreaks, resulting in nearly 860 deaths.

6 thoughts on “Is Coronavirus deadly?”

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