Coronaviruses: How does it spreads? Know its Types, Symptoms, Prevention & Treatment

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Coronaviruses (CoV) are a large family of viruses and it causes illness ranging from the common cold to more severe diseases such as Severe Acute Respiratory Syndrome (SARS-CoV) and MERS-CoV (Middle East Respiratory Syndrome). Back in 2002, SARS was spread in 37 countries, causing global panic, infecting more than 8,000 people and killing more than 750. CoV is zoonotic, meaning they are transmitted between animals and people. CoV can infect mice, rats, dogs, cats, turkeys, horses, pigs, and cattle. And from these animals, it can be transmitted to humans.

There have been 82,585 coronavirus cases where 33,259 has been recovered and 2814 died. As the report of worldometers, there are 46512 currently infected patients and among them, 38,041 (82%) patients are in Mild Condition whereas 8,471 (18%) patients are Serious or Critical.

Types of Coronaviruses (CoV)

This viruses belong to the subfamily Coronavirinae in the family Coronaviridae. At present, doctors have recognized seven types of coronavirus that can infect humans. Some of its common types include 229E (alpha coronavirus)
NL63 (alpha coronavirus)
OC43 (beta coronavirus)
HKU1 (beta coronavirus)

Most recently, SARS-CoV-2 started circulating, causing the disease COVID-19. The virus was first identified in Wuhan, China, on 31 December 2019. As per the report, the first people with COVID-19 had links to an animal and seafood market. COVID-19 is still affecting most people in China as well as some other countries.


On 31st January 2020, the virus passed from one person to another in the U.S. Apart from U.S. countries including South Korea, Italy, France, UK, German, Nepal is also affected by the COVID-19.

COVID-19: Latest breakdown of Deaths and Infections Worldwide

China 78,528 cases (2,716 deaths); South Korea 1,595 (11 deaths); Italy 400 (11 deaths); Japan 186 (1 death); Iran 139 (15 deaths); Singapore 93; Hong Kong 91 (2 deaths);  USA 59; Thailand 40; Bahrain 33; Taiwan 32 (1 death);  Kuwait 26; Malaysia 22; Australia 23; Germany 21; France 17 (1 death); Vietnam 16; United Arab Emirates 13; United Kingdom 13; Canada 12; Spain 12; Macao 10; Iraq 5; Oman 4; The Philippines 3 (1 death);  India 3; Israel 2; Lebanon 2; Pakistan 2; Russia 2; Austria 2; Croatia 2; Sweden 2; Cambodia 1; Belgium 1; Switzerland 1; Denmark 1; Georgia 1; Greece 1; Romania 1; Finland 2; Algeria 1; Egypt 1; Brazil 1; Sri Lanka 1; Nepal 1; Afghanistan 1;  North Macedonia 1 and Norway 1.

How does the coronavirus spread?

Well, the scientists are still assessing how it spreads from person to person, but similar viruses tend to spread via cough and sneeze droplets. The droplets of saliva or mucus are released from the infected person after they sneeze. These droplets can fall on people in the vicinity and can be picked up on the hands or directly inhaled then transferred when someone touches their face, causing infection.

Symptoms, Prevention & Treatment:

Those infected may either be asymptomatic or develop symptoms such as fever, cough or shortness of breath.

Source: WHO

According to the Centers for Disease Control & Prevention (CDC), symptoms of COVID-19 may appear in as few as 2 days or as long as 14 days after exposure. Here are some methods to prevent Coronaviruses.

  1. Wash your hands
  2. Cover your mouth and nose with a tissue when you cough or sneeze
  3. Face masks offer some protection
  4. Seek early medical help
  5. Avoid direct, unprotected contact with live animals
  6. Avoid eating raw or undercooked animal products


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