Prevention of COVID-19 by Dr. Nie

Prevention of COVID-19 - Dr. Nie

UK-China Society of Automotive Engineers organised an online conference about the prevention of
COVID-19. We invited Dr. Nie Nixuan who works in Wuhan Wuchang hospital in China. Dr Nie shared
her experience with us in the conference, she also summarized a simplified explanation from
‘Treatment instruction version 7’.

Before we talk about how to how to prevent it, let’s have a look the way of spreading. Most
patients catch coronavirus from 4 ways:

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Breath in tiny droplets of water contains virus

Solution: wear mask (Surgery mask/ FFP2/FFP3).
Cover your mouth and nose with a tissue when you cough or sneeze. ... If you don't have a tissue, cough or sneeze into your upper sleeve, not your hands. Keep distance from the other people, if someone sneeze you can hold your breath for few seconds.
Goggles are not essential, normal grasses is good enough if you need talk to people face to face.
One table per person when you have meal outside, do not sit face to face, try not to chat while eating food.

Touch

Avoid touching door handles, buttons (elevator) in public area, you can wear gloves or a piece of tissue if you have to touch them. Do not touch your face, eyes, nose, mouth and ears before you wash your hands.
When you come back home from public area, take off your shoes from outside, spray anti-virus products under the shoes; take off your clothes, spray them and leave them in open air area for few hours.
Spay your shopping bags, try not to eat raw food in this period.

Aerosol in confined environment

Aerosol in confined environment mainly happened in hospital where have patients and also closed windows. People easily get infected in this condition. Public elevators are not as dangerous as hospitals, you need to wear mask to reduce the probability to breath the virus in.
Opening your windows at home is extremely important.

Aerosol produced by Stools and urine

Be careful when use the toilets in public

Symptoms

Fever, cough and tiredness. Some patients also have blocked nose, running nose, sore throat, muscle pain and diarrhea. Most of severe and critically ill patients shows breathing problem and low blood oxygen after 1 week.
Children and babies have different symptoms than adults: vomit, diarrhea (digestive system), tiredness and shortness of breath.

Prevention

Be positive. Most patients are fully recovered and most of severe and critically ill patients are older people underlaying heath condition.
Drink 2000ml water daily with vitamin C.
Doing exercise and keep healthy.

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Mask

Q&A

Q: If you recover from COVID-19, do you have immunity?s
A: If you fully recover from COVID-19, you will have immunity in a period.

Q: I heard someone cough outside my garden, am I still safe to leave my window open?
A: it is very important to let fresh air flow into your house.
Q: How can I pick up delivery safely? Is it still safe if I order takeaway food？
A: Keep distance with other people, spray the outer layer of your package and leave them in open air area for a period. It is safe to order takeaway food if you re-heat them and wash your hand before your meal.
Q: How can I shopping safely in supermarket?
A: You need to wear mask especially in supermarkets with central air conditioning system. Try not to touch too many things, clean your hand (wash, hand sanitizer). When you come back home from supermarket, take off your shoes from outside, spray anti-virus products under the shoes; take off your clothes, spray them and leave them in open air area for few hours. You need to spray your shopping bags and soak them open air as well. Do not eat raw food in this period.
Q: Is there any way to reuse the face masks? Put them in oven 60°C for 40 minutes?
A: It is risky if you cannot control the temperature well. You can leave the mask in open air area.
Q: How to do self- isolate at home safely when living with the other people in the same house?
A: isolated person needs to stay in a private bedroom and bath room, people in the same house can deliver meals to the door of isolation room. Do make sure plates and other tableware should be washed separately with ‘deep cleaning’ process (with anti-virus products which designed for tableware, or as easy as soak them in boiling water).