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- Viral infection – a new mutation of coronavirus is suspected as the
cause.
- Affects all age groups, highest number of deaths have been among people
with pre-existing chronic conditions.
- Suspected to have originated in Guandong, China.
- Causes atypical pneumonia in infected patients.
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- Cause mild to moderate respiratory illnesses such as common cold.
- Able to survive in dry air for up to 3 hours.
- Can be killed by exposure to ultra-violet light, so they will not
survive under sunlight.
- Mutate easily, and each mutation triggers off an epidemic of respiratory
disease.
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- Most frequent method of transmission of coronavirus from person to
person is droplet transmission.
- If the sick person coughs or sneezes, the virus can be carried in saliva
droplets to people nearby, infecting them.
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- Coronavirus family also has the property of surviving in dry
air/surfaces for up to 3 hours.
- In these conditions, the virus crystallizes, and can float in the air
like dust.
- It is suspected that the SARS
- virus can be transmitted in
- this manner.
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- Infectivity is the ability of a virus to jump from one person to
another. The recipient must receive a dose large enough to cause the
disease. From epidemic reports, it appears that SARS virus has low
infectivity (ie it requires a large dose to pass on to the recipient).
Other members of the coronavirus family have very high infectivity.
- Virulence is the property of the virus to cause damage to the patient’s
organs. The SARS virus is very virulent. Other members of the
coronavirus family have low virulence.
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- After the virus enters the body, it requires 3-10 days incubation period
before the disease appears.
- According to current data, infected people do not pass on the virus to
others during the incubation period.
- They become infectious only when the first symptoms appear: cough,
sneezing – which spread droplets containing virus particles.
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- Attenuation is a phenomenon seen in some members of the coronavirus
family, where the virulence decreases when it jumps from person to
person.
- The SARS virus seems exhibit this phenomenon (however, there are no
studies yet to prove this).
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- Cough, nasal congestion, sneezing
- High fever (39°C or higher)
- Severe muscle and joint pain
- Difficulty in breathing – similar to asthma
- Continuous localized pain in the chest, which increases when taking a
breath
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- Customer Engineers, Clinical Specialists and sales people who visit
hospitals are under risk of contracting SARS, and must take precautions.
- In the event an employee is suspected of having contracted the disease,
he/she must must take steps not to expose colleagues and customers to
risk.
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- Leave all personal belongings, not relevant to the visit, in the office.
- Take a N95 or FFP-1grade mask from the office.
- Before entering the unit, put on the mask as per instructions, and check
for leakage.
- After entering the unit, ask for a pair of surgical gloves before
handling equipment.
- Do not place belongings, tools etc on the floor or on exposed surfaces.
Request a paper towel from the staff to spread on the surface.
- If you need to bring equipment/parts back to the office, have them
sterilized according to hospital procedure by a member of the ICU staff.
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- After exiting the unit, remove the mask first and discard it, then
remove the gloves.
- Wash hands thoroughly with chlorhexidine scrub solution.
- Do not re-use a mask.
- Do not touch a used mask without wearing gloves.
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- So far, all recorded SARS cases have developed the disease only after
having prolonged and close contact with a patient (eg. family members,
doctors and nurses).
- There are no recorded instances, where the disease was transmitted via
casual contact, traveling in public transport etc.
- A person can only pass on the infection after symptoms appear.
- Only a very small percentage of the population have the disease (eg 90
out of 4 million), and they are sequestered.
- Therefore, wearing masks in public places and transport will not give
any appreciable protective benefit.
- However, if you suspect that you have become infected with SARS, wearing
a mask when traveling to the hospital is your civic responsibility.
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- If you develop fever, cough and muscle pain:
- Inform your supervisor
- Go to the company doctor immediately
- If you are quarantined by health authorities:
- Inform your supervisor
- Compile a list of colleagues and customers you have had contact with
for the last 3 days and forward it via e-mail to your supervisor
- Do not leave your house for any reason, or entertain visitors during
the quarantine period
- If you develop any of the symptoms during the quarantine period, inform
relevant health authorities immediately
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