Surveillance

Reporting period 01/01/2016 to 07/08/2016           
Results until end of epidemiologic week 31 (2016)


Click : Influenza&RSV Surveillance Report - Week 31_2016

 

Programme Descriptions
Programme ILI Viral Watch National syndromic surveillance for pneumonia Private hospital consultations
Start year 2012 1984 2009 2002
Provinces* KZ EC GP EC
  NW FS KZ FS
    GP MP GP
    LP NW LP
    MP WC MP
    NC   NW
    NW   WC
    WC    
Type of site Primary health care clinics General practitioners Public hospitals Private hospitals
Case definition An acute respiratory illness with a temperature (≥38°C) and cough, & onset ≤10 days An acute respiratory illness with a temperature (≥38°C) and cough, & onset ≤10 days Acute or chronic lower respiratory tract infection ICD codes J10-J18
Specimens collected ≥5 years of age: oropharyngeal/nasopharyngeal swabs
<5 years of age: nasopharyngeal aspirates
Throat and/or nasal swabs or Nasopharyngeal swabs ≥5 years of age: oropharyngeal/nasopharyngeal swabs
<5 years of age: nasopharyngeal aspirates
Induced/expectorated sputum
Not applicable
Main pathogens tested** INF
RSV
BP
INF
RSV
BP
INF
RSV
SP
BP
LEG
Not applicable
* EC: Eastern Cape; FS: Free State; GP: Gauteng; KZ: KwaZulu-Natal; LP: Limpopo; MP: Mpumalanga: NC: Northern Cape; NW: North West; WC: Western Cape
**INF: Influenza; RSV: respiratory syncytial virus; BP: Bordetella pertussis; SP: Streptococcus pneumoniae; LEG: Legionella species
 
Reporting period 01/01/2016 to 07/08/2016     Results until end of epidemiologic week 31 (2016)

Influenza
The 2016 influenza season which started in week 19 (week starting 9 May) when the Viral Watch detection rate rose to 19% continues.
ILI programme: In 2016 to date, specimens from 985 patients were received from 2 ILI sites. Influenza A not subtyped was detected in one specimen, influenza A(H1N1)pdm09 in 14, influenza A(H3N2) in 38, and influenza B in 96 patients.
Viral Watch programme: During the same period, specimens from 711 patients were received from Viral Watch sites. Influenza A not subtyped was detected in one patient, influenza A(H1N1)pdm09 in 24, influenza A(H3N2) in 92, and influenza B in 176 patients.
Pneumonia surveillance: In this time period, specimens from 2231 patients with severe respiratory illness (SRI) were received from the 6 sentinel sites. Influenza A(H1N1)pdm09 was detected in the specimens of five, influenza A(H3N2) in 26 and influenza B in 92 patients.

 
Comments
Respiratory syncytial virus
The 2016 RSV season which started in week 8 (week ending 28 February) continues, the highest detection rate of 53% was in week 18 (week ending 8 May) in pneumonia patients.
In 2016 to date RSV has been detected in the specimens of 65 patients in the ILI programme, 35 from the Viral Watch and 541 from patients in the pneumonia surveillance programme.