Thursday, 11 February 2021

Excluding the backlog, we still have high cases

We ended the week with the national number of cases at about the same level as those 2 weeks ago.


Week             No of Covid-19 cases

21 - 27 Jan                24,735

28 Jan - 3 Feb           32,798

4 - 10 Feb                  24,692


Although the number of cases is about the same as that 2 weeks ago, the current positivity rate is higher than that 2 weeks ago as can be seen from the chart below.  I have marked the one 2 weeks ago in a red oval so that you can see the difference.

Malaysia positivity 10 Feb 2021

Don't be misled by the positivity rates.  The actual number of tests carried out currently is less than that 2 weeks ago. 

Week                 No of Tests

21 - 27 Jan                442 k

28 Jan - 3 Feb           370 k

4 - 10 Feb                  381 k


You can interpret the results in 2 ways

  • the current number of cases is not higher than that 2 weeks ago because the number of tests carried out was 14 % lower.  Less test = fewer cases.  This could also be due to delays in reporting the test results so that we could have more "backlog" in the coming week. If true, expect a spike in the coming week.  But I can't think of a reason why the number of tests should be lower. 
  • If you assume that there are valid reasons for fewer tests (eg not many reported clusters of infection) then the incidence in the population is getting worst compared to that 2 weeks ago. If true, there will be more cases in the future since the MCO is being relaxed. 


It makes you wonder whether anyone is correlating the data with the SOP being introduced and/or the relaxation of the lockdown.


Central zone

If you look at the Central Region we have the following picture.

Weekly Covid-19 by region 10 Feb 2021

We can conclude that there was certainly some backlog last week, but the number of cases for the current week is still higher than that 2 weeks ago.

Conclusion - The number of cases is not coming down yet. The backlog excuse seems weak for the current situation.  For the Central region, the MCO is not really working.


Stay Safe


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PS: This blog is for me to better understand COVID 19 as this will impact my investments. If you are also into equities, follow me at i4value.asia.


Disclaimer:  I am not an epidemiologist, healthcare worker, pharmacist, or staff in the Ministry of Health, but rather is someone with a strong interest in numerical analysis.  The content is an attempt to understand what is happening in the battle against COVID 19 from a data-based perspective. The opinions expressed here are based on information extracted from readily available public sources but I do not warrant its completeness or accuracy and should not be relied on as such.




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