Category: Virology

Respiratory Pathogen Statistics: October 2023

Respiratory Pathogen Statistics: October 2023

Influenza, respiratory syncytial virus (RSV) and SARS-CoV-2 Influenza A and RSV detection rates were below 2% during October. Influenza B cases continued to be detected during October with positivity rates reaching 5% in weeks 42 and 43, but remained below the...

Respiratory Pathogen Statistics: September 2023

Influenza A, influenza B and RSV detection rates were below 5% throughout September. SARS-CoV-2 percentage positivity ranged from 13.6-15.6% nationally in the reporting period, having increased from 10.9% in the last week of August (week 35). Testing rates were...

Respiratory Pathogen Statistics: August 2023

Influenza A and B detection rates remained below 2% during August, with the influenza season officially having ended in July (NICD Weekly Respiratory Pathogens Surveillance Report, week 34 of 2023). Surveillance is ongoing to determine whether a second influenza peak...

Respiratory Virus Statistics June 2023

Influenza, respiratory syncytial virus and SARS-CoV-2 Influenza A detection rates peaked in week 21 (week ending 28 May) and then decreased each week throughout June, with the percentage positivity dropping to 12% in the last week of June. Influenza A/H3 continued to...

Mumps Virus Alert: South Africa 2023

Background: Mumps virus (MV), a single-stranded RNA virus of the paramyxoiridae family, is highly contagious and is most commonly associated with parotitis.  There has been a significant increase in the amount of mumps cases nationally in 2023.  For patients...

Indeterminate COVID results

The polymerase chain reaction (PCR) test for the detection of SARS-CoV-2 in respiratory specimens is an essential tool in screening and diagnosing COVID-191. Clinical virology laboratories often make use of a diverse repertoire of testing platforms with varying...