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“About one in six people will become seriously ill” ; Learn more about Covid-19

Brazilian 99-year-old former WWII combatant Ermando Armelino Piveta, gestures as leaves the Armed Forces Hospital in Brasilia, after being treated for the novel coronavirus COVID-19 and discharged, on April 14, 2020. Image: EVARISTO SA / AFP

What is Covid-19?

It is caused by a member of the coronavirus family that has never been encountered before. Like other coronaviruses, it has transferred to humans from animals. The World Health Organization (WHO) has declared it a pandemic.

What are the symptoms this coronavirus causes?

According to the WHO, the most common symptoms of Covid-19 are fever, tiredness and a dry cough. Some patients may also have a runny nose, sore throat, nasal congestion and aches and pains or diarrhoea. Some people report losing their sense of taste and/or smell. About 80% of people who get Covid-19 experience a mild case – about as serious as a regular cold – and recover without needing any special treatment.

About one in six people, the WHO says, become seriously ill. The elderly and people with underlying medical problems such as high blood pressure, heart problems or diabetes, or chronic respiratory conditions, are at a greater risk of serious illness from Covid-19.

In the UK, the National Health Service (NHS) has identified the specific symptoms to look for as experiencing either:

  • A high temperature – you feel hot to touch on your chest or back.
  • A new continuous cough – this means you have started coughing repeatedly.

As this is viral pneumonia, antibiotics are of no use. The antiviral drugs we have against flu will not work, and there is currently no vaccine. Recovery depends on the strength of the immune system.

Should I go to the doctor if I have a temperature or a cough?

No. In the UK, the NHS advice is now that anyone with symptoms should stay at home for at least 7 days. If you live with other people, they should stay at home for at least 14 days, to avoid spreading the infection outside the home. This applies to everyone, regardless of whether they have travelled abroad.

In Zimbabwe, you should look on the dedicated coronavirus MoHCC website for information. If you get worse or your symptoms last longer than seven days, you should call 2019.

Many countries have imposed travel bans and lockdown conditions in order to try to halt the spread of the virus. You should check with your local authorities for the latest advice on seeking medical assistance.

How many people have been affected?

As of 17 April, more than 2.1m people have been infected in over 185 countries, according to the Johns Hopkins University Center for Systems Science and Engineering.

There have been more than 145,000 deaths globally. Over 4,500 of those deaths have occurred in mainland China, where the coronavirus was first recorded in the city of Wuhan. The US has had more than 34,500 fatalities, Italy more than 22,000 and Spain has seen more than 19,500. The US has more confirmed cases than any other country – over 676,000. Many of those who have died had underlying health conditions, which the coronavirus complicated.

More than 543,500 people are recorded as having recovered from coronavirus.

What happens if you are in hospital with coronavirus – video explainer

Why is this worse than normal influenza, and how worried are the experts?

Another key unknown is how contagious the coronavirus is. A crucial difference is that unlike flu, there is no vaccine for the new coronavirus, which means it is more difficult for vulnerable members of the population – elderly people or those with existing respiratory or immune problems – to protect themselves. Hand-washing and avoiding other people if you feel unwell are important.

Have there been other coronaviruses?

Severe acute respiratory syndrome (Sars) and Middle Eastern respiratory syndrome (Mers) are both caused by coronaviruses that came from animals. In 2002, Sars spread virtually unchecked to 37 countries, causing global panic, infecting more than 8,000 people and killing more than 750. Mers appears to be less easily passed from human to human, but has greater lethality, killing 35% of about 2,500 people who have been infected.

-The Guardian

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