CONFIRMED TESTING DATA OF COVID-19 IN SOUTH AFRICA (26 NOV -2 DEC 2020)

Statement on the Testing Data 2 December 2020

 From time to time, epidemiological centers undertake audits at various intervals to interrogate the efficiency of the data, clean up the data where necessary and implement improved systems for data collation. This vital process ensures that one maintains an accurate epidemiological picture, particularly when the situation is rapidly evolving as with COVID-19.

On 27 November 2020, the National Institute for Communicable Diseases (NICD) reported the to- tal cumulative number of tests conducted as 5 350 076. This was 33 002 tests less than what was reported the previous day. It is important to note that this change is related to testing numbers   and does not affect the daily positive case numbers reported by the Minister. The NICD has, after consultation with the Incidence Management Team yesterday, submitted a report today outlining the factors that led to this reduction in cumulative tests:

The data source for testing data was changed to the Notifiable Medical Conditions Surveillance System (NMCSS) on 27 November 2020. The reasons for this change were:

  • To align the reporting of test data with the source of case data
  • To prepare for the inclusion of antigen-based tests, which will be reported into the NMCSS
  • To enable reporting of district-level test data once the implementation of geocoding for test data was completed in the NMCSS

As part of data quality control, the following process ensued, which resulted in the reduction of testing numbers:

  • Improvement in the process for identifying and removing duplications of the same test from the same patient
  • Removal of samples that were collected outside of the country but tested in South Africa. This guarantees that the testing numbers only reflect South African samples(this ensures an accurate epidemiological picture in relation to the South African context )

The following table reflects the cumulative number of tests reported and the daily new tests that have been recorded on the database since we last reported on the testing data on 26 November 2020.

Date Cumulative Total New Tests Notes
26 November 2020 5 383 078 28 010
27 November 2020 5 350 076 28 253 Cumulative total less 33 002 as compared to

the previous day for rea- sons described above

28 November 2020 5 376 488 26 412
29 November 2020 5 398 951 22 463
30 November 2020 5 415 565 16 614
1 December 2020 5 435 824 20 259
2 December 2020 5 468 670 32 846

 

Office of the Minister of Health

END

 

 

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