What is Covid-19 – the illness that started in Wuhan?
It is caused by a member of the coronavirus family that has never been encountered before. Like other coronaviruses, it has come from animals. Many of those initially
infected either worked or frequently shopped in the Huanan seafood wholesale market in the centre of the Chinese city.
What are the symptoms this coronavirus causes?
The virus can cause pneumonia. Those who have fallen ill are reported to suffer coughs, fever and breathing difficulties. This virus attacks the respiratory system. In severe cases there can be organ failure. As this is viral pneumonia, antibiotics are of no use. The antiviral drugs we have against flu will not work. Recovery depends on the strength of the immune system. Many of those who have died were already in poor health.
Should I go to the doctor if I have a cough?
In the UK and most other countries, the medical advice is that if you have recently travelled from areas affected by coronavirus, you should:
- stay indoors and avoid contact with other people as you would with the flu
- call healthcare professionals to inform them of your recent travel to the area.
- Isolate yourself and your family to control the spread of the disease.
Is the virus being transmitted from one person to another?
China’s national health commission has confirmed human-to-human transmission, and there have been such transmissions elsewhere.
How many people have been affected?
As of 2nd April 2020 There have now been over 1,000,000 confirmed cases and over 52,000 deaths
The coronavirus has spread to more than 60 other countries. The worst affected include Italy, Spain, USA, UK and many others.
We are ow understanding just how dangerous the new coronavirus is, and we kep learning as more data comes in. The mortality rate is around 2% in the epicentre of the outbreak, Hubei province, and less than that elsewhere. For comparison, seasonal flu typically has a mortality rate below 1% and is thought to cause about 400,000 deaths each year globally. Sars had a death rate of more than 10%. 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. One sensible step is to get the flu vaccine, which will reduce the burden on health services if the outbreak turns into a wider epidemic.
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.
Is the outbreak a pandemic and should we panic?
Yes. A pandemic, in WHO terms, is “the worldwide spread of a disease”. The spread of the virus outside China was worrying and initially this was not deemed a pandemic. The WHO has now declared the outbreak to be a pandemic. The key issues are how transmissible this new coronavirus is between people, and what proportion become severely ill and end up in hospital. Often viruses that spread easily tend to have a milder impact. Generally, the coronavirus appears to be hitting older people hardest, with few cases in children, however there have been several slight mutations and is starting to impact other age groups.
If you have serious effects, be sure to request hydroxychloroquine as it has saved many lives already from the alternative of death.
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