3 Severe Acute Respiratory Syndrome (SARS) First recognised in Feb 2003 (case in Hanoi)A form of Atypical Pneumoniacharacteristics - high fever (>38°C or 100.4° F)- dry cough- breathing difficulties- rapid deterioration
4 No. of case of SARS worldwide (1) From: 1 Nov 2002 To: 20 May 2003, 16:00 GMT+2CountryCumulative no. of case(s)No. of deathsNo. recoveredLocal transmissionAustralia6NoneBrazil2Canada14023106China5,2482942,254YesChina, Hong Kong Special Administrative Region1,7182531,229China, Macao Special Administrative Region1China, Taiwan3835263ColombiaFinlandFrance7Germany9India3IndonesiaItalyKuwaitMalaysia5
5 No. of case of SARS worldwide (2) From: 1 Nov 2002 To: 20 May 2003, 16:00 GMT+2CountryCumulative no. of case(s)No. of deathsNo. recoveredLocal transmissionMongolia98YesNew Zealand1NonePhilippines122Republic of IrelandRepublic of Korea3RomaniaSingapore20628161South AfricaSpainSwedenSwitzerlandThailand5United Kingdom4United States6734Viet Nam6358Total7,9196623,984
6 Figures on Atypical Pneumonia in HK From: The Department of Health website as at 20 May 2003NatureCumulative NumberTotal No. of Discharged PatientsTotal No. of DeathsNo. of Patients in HospitalHealth care workers of Hospitals/Clinics and medical students379330 (+ 6)253 (+ 2)236 (- 14)Recovering patients in convalescene: 58Active cases: 178 (- 9)Patients, family members & visitors1,339 (+ 4)889 (+ 10)Total1,718 (+ 4)1,229 (+ 16)Suspected cases16
7 Epidemiological linkage 1 Mainland visitorOnset: 21 Feb 03MetropoleHotelPWH index patientOnset: 21 Feb 03Succumbed at KWH1 American Chinese3 Singapore visitors2 Canadian visitorsOutbreak in SingaporeHanoi outbreak index caseA private hospital outbreak on Hong Kong IslandOutbreak in Toronto, Canada
8 Symptoms of Respiratory Illness FrequencyFever94%Chills65%Malaise64%Headache50%MyalgiaCoughRigors43%Dizziness30%Diarrhoea27%Runny nose24%Sore throat23%
9 Known Facts about SARS Less infectious than influenza Incubation 2 to 7 daysInfective period?A new virus?Any treatment?Mortality?
10 How does SARS spread? NOT airborne Droplets - via close contact with an infected personContaminated working surfaces(e.g. formites, stainless steel)~ survival up to 6 hours
11 The wearing of face masks Healthcare workers looking after suspected/confirmed cases of SARSFamily members of suspected/ confirmed caseWearing in public area?N95? Surgical mask?
12 Guideline for wearing facemask posted on the Department of Health website on 28/03/2003Wash 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.
13 Guideline for wearing facemask posted on the Department of Health website on 28/03/2003Put 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.
14 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;
15 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.
16 Statistics on community-acquired pneumonia (CAP) Disease200120022003(till 15/3/2003)Pneumonia24,40018,0003,646There is no unusual rise in the number of CAPThe causes of CAP are similar to previous years(50% each of known causes and unknown causes)
17 The Hong Kong Medical Association ~ The End ~The Hong Kong Medical Association