WEEKLY INFECTIOUS DISEASE BULLETIN EPIDEMIOLOGICAL WEEK Mar - 4 Apr 2015

Transcription

1 WEEKLY INFECTIOUS DISEASE BULLETIN EPIDEMIOLOGICAL WEEK 9 Mar - Apr VOL. NO. tics/weekly_infectiousdiseasesbulletin.html Published by the Communicable Diseases Division E Cumulative first s Median Median * - - FOOD/WATER-BORNE DISEASES Campylobacteriosis Cholera Paratyphoid 9 Poliomyelitis Salmonellosis (non-enteric fevers) 7 8 Typhoid Viral Hepatitis A 8 Viral Hepatitis E VECTOR-BORNE DISEASES Chikungunya Fever 9 7 Dengue Fever Dengue Haemorrhagic Fever 9 Malaria Nipah virus infection Plague Yellow Fever AIR/DROPLET-BORNE DISEASES Avian Influenza Diphtheria Encephalitis 7 Haemophilus influenzae type b Hand, Foot And Mouth Disease Legionellosis Measles 77 Melioidosis 7 Meningococcal Disease Mumps 8 Pertussis Pneumococcal Disease (invasive) 8 Rubella 7 Severe acute respiratory syndrome OTHER DISEASES Viral hepatitis B Viral hepatitis C POLYCLINIC ATTENDANCES - AVERAGE DAILY NUMBER*** Acute upper respiratory infections 98 7 Acute conjunctivitis 7 8 Acute Diarrhoea Chickenpox NA HIV/STI/TB NOTIFICATIONS Feb Cumulative HIV/AIDS Legally Notifiable STIs** Tuberculosis 8 * Preliminary figures, subject to revision when more information is available. ** Wef Jan, reporting has changed from all types of STIs to legally notifiable STIs, which comprise gonorrhoea, nongonococcal urethritis, syphilis (congenital, infectious, non-infectious), chlamydia and genital herpes (first episode and *** Wef E-week of, the no. of polyclinic attendances will be reflected on an average daily basis, instead of weekly basis, so as to take into account the number of working days in an E-week at the polyclinics for a more accurate representation of the underlying trends in the community. Page of 8

2 SUMMARY OF INVESTIGATIONS, EPIDEMIOLOGICAL WEEK 9 Mar - Apr Notification Epidemiological 9 Mar - Apr Cumulative first s FOOD/WATER-BORNE DISEASES Imported : sporadic Campylobacteriosis Imported : 7 sporadic Local : sporadic Local : 9 sporadic Cholera Local : sporadic Local : sporadic Paratyphoid Imported : sporadic Imported : 9 sporadic Local : sporadic Local : sporadic Imported : sporadic 9 Imported : sporadic Salmonellosis (non-enteric fevers) Local : sporadic Local : sporadic Typhoid Imported : sporadic Local : sporadic Local : sporadic Viral Hepatitis A Imported : sporadic Imported : sporadic Local : sporadic Local : sporadic Viral Hepatitis E Imported : sporadic Local : sporadic Local : 7 sporadic VECTOR-BORNE DISEASES Imported : sporadic Chikungunya Fever 8 Imported : sporadic Local : sporadic Local : sporadic Dengue Fever 9 Active Dengue Haemorrhagic Fever Malaria Imported : sporadic Local : sporadic Local : sporadic AIR/DROPLET-BORNE DISEASES Encephalitis 7 Imported : sporadic Local : sporadic Local : sporadic Legionellosis Imported : sporadic Local : sporadic Local : sporadic Melioidosis Imported : sporadic Local : sporadic Local : 9 sporadic Meningococcal Disease Local : sporadic Local : sporadic Pending Investigation: OTHER DISEASES Viral hepatitis B Imported : sporadic Imported : sporadic Local : sporadic Local : 9 sporadic Viral hepatitis C Imported : sporadic Local : sporadic Local : sporadic Page of 8

3 Influenza Situation in Singapore Influenza indicators for E-week (9 March - April ) are as follows: The average daily number of patients seeking treatment in the polyclinics for ARI decreased from, (over. working days) in E-week to, (over. working days) in E-week. Average daily no. Polyclinic Attendances for Acute Respiratory Infection 9 Mean + std dev Mean + std dev The proportion of patients with influenza-like illness (ILI) among the polyclinic attendances for ARI remained low approximately %. The overall prevalence of influenza among ILI samples (n=9) in the community was 7.% in the past weeks. Of the specimens tested positive for influenza in March, they were positive for influenza A(HN) (.%), influenza A(HN)pdm9 (.%) and influenza B (9.%). Page of 8

4 WEEKLY INCIDENCE OF FOOD/WATER-BORNE DISEASES, - Paratyphoid/Typhoid 7 Viral Hepatitis A Cholera Page of 8

5 WEEKLY INCIDENCE OF VECTOR-BORNE DISEASES, - Dengue Fever/Dengue Haemorrhagic Fever Mean + std dev Mean + std dev Chikungunya Fever 8 Malaria 7 Page of 8

6 WEEKLY INCIDENCE OF AIR/DROPLET-BORNE DISEASES, - Measles Mumps Rubella 7 Page of 8

7 WEEKLY INCIDENCE OF AIR/DROPLET-BORNE DISEASES, - Hand, Foot & Mouth Disease Mean + std dev Mean + std dev WEEKLY INCIDENCE OF OTHER INFECTIOUS DISEASES, - Encephalitis Legionellosis Page 7 of 8

8 POLYCLINIC ATTENDANCES, - Conjunctivitis 8 8 Mean + std dev Mean + std dev 7 Diarrhoeal Illness Mean + std dev Mean + std dev Page 8 of 8