Outbreak of severe acute respiratory syndrome sars in hong kong
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Outbreak of Severe Acute Respiratory Syndrome (SARS) in Hong Kong. The Hong Kong Medical Association. Types of Pneumonia. Bacterial Pneumonia Atypical Pneumonia -Mycoplasma Viral Chemical. Severe Acute Respiratory Syndrome (SARS). First recognised in Feb 2003 (case in Hanoi)

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Outbreak of Severe Acute Respiratory Syndrome (SARS) in Hong Kong

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Outbreak of severe acute respiratory syndrome sars in hong kong

Outbreak of Severe Acute Respiratory Syndrome (SARS) in Hong Kong

The Hong Kong Medical Association


Types of pneumonia

Types of Pneumonia

  • Bacterial Pneumonia

  • Atypical Pneumonia-Mycoplasma

    Viral

    Chemical


Severe acute respiratory syndrome sars

Severe Acute Respiratory Syndrome (SARS)

  • First recognised in Feb 2003 (case in Hanoi)

  • A form of Atypical Pneumonia

  • characteristics-high fever (>38°C or 100.4° F)

    -dry cough

    -breathing difficulties

    -rapid deterioration


No of case of sars worldwide 1

No. of case of SARS worldwide (1)

From: 1 Nov 2002 To: 7 July 2003, 17:00 GMT+2


No of case of sars worldwide 2

No. of case of SARS worldwide (2)

From: 1 Nov 2002 To: 7 July 2003, 17:00 GMT+2


Figures on atypical pneumonia in hk

Suspected cases

0

Figures on Atypical Pneumonia in HK

From: The Department of Health website as at 7 July 2003


Epidemiological linkage

Epidemiological linkage

1 Mainland visitor

Onset: 21 Feb 03

Metropole

Hotel

PWH index patient

Onset: 21 Feb 03

Succumbed at KWH

1 American Chinese

3 Singapore visitors

2 Canadian visitors

Outbreak in Singapore

Hanoi outbreak index case

A private hospital outbreak on Hong Kong Island

Outbreak in Toronto, Canada


Symptoms of respiratory illness

Symptoms of Respiratory Illness


Known facts about sars

Known Facts about SARS

  • Less infectious than influenza

  • Incubation 2 to 7 days

  • Infective period?

  • A new virus?

  • Any treatment?

  • Mortality?


How does sars spread

How does SARS spread?

  • NOT airborne

  • Droplets

    - via close contact with an infected person

  • Contaminated working surfaces

    (e.g. formites, stainless steel)

    ~ survival up to 6 hours


The wearing of face masks

The wearing of face masks

  • Healthcare workers looking after suspected/confirmed cases of SARS

  • Family members of suspected/ confirmed case

  • Wearing in public area?

  • N95? Surgical mask?


Guideline for wearing facemask

Guideline for wearing facemask

posted on the Department of Health website on 28/03/2003

  • Wash hands before wearing a facemask.

  • Follow the instructions on the packet carefully, if available.

  • In general, when wearing a surgical facemask, the following should be noted:

    • the facemask should fit snugly over the face;

    • the coloured side of the facemask should face outside;

    • tie all the strings that keep the facemask in place or fix the rubber bands of the facemask round the ears properly;

    • the facemask should fully cover the nose, mouth as well as the chin;

    • the metallic wire part of the facemask should be fixed securely over the bridge of the nose to prevent leakage;

    • under general circumstances, the surgical mask should be changed daily.


Guideline for wearing facemask1

Guideline for wearing facemask

posted on the Department of Health website on 28/03/2003

  • Put the facemask into a plastic bag and tie it properly before putting it into a rubbish bin. You may dispose a used facemask concealed in a separate bag with the rest of your domestic wastes.

  • Replace the facemask immediately if it is damaged or soiled.

Wearing a facemask is just one of the ways to prevent respiratory tract infections. The most important thing a person should do is to observe good personal hygiene. For example, wash hands frequently with liquid soap, especially after sneezing, coughing or cleaning the nose.


Prevention of respiratory tract infection 1

Prevention of Respiratory Tract Infection (1)

  • Building good body immunity by having a proper diet, regular exercise and adequate rest, reducing stress and avoiding smoking;

  • Maintain good personal hygiene, and wash hands after sneezing, coughing or cleaning the nose;

  • Maintain good ventilation;


Prevention of respiratory tract infection 2

Prevention of Respiratory Tract Infection (2)

  • Avoid visiting crowded places with poor ventilation;

  • Put on a mask if taking care of a patient with respiratory symptoms and wash hands thoroughly afterwards;

  • Put on a mask if suffering from respiratory tract infection to reduce the chance of spreading the infection to people around them.


Statistics on community acquired pneumonia cap

Statistics on community-acquired pneumonia (CAP)

  • There is no unusual rise in the number of CAP

  • The causes of CAP are similar to previous years

    (50% each of known causes and unknown causes)


The end

~ The End ~

The Hong Kong Medical Association


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