September 26, 2022

The data from the daily time series come from the 27th. The official board only gives a snapshot of the cumulative number of tests that have been performed as of today, making it difficult to create a number of historical times. We have a daily time series from the 5th. April 2020 using the numbers given on the daily report page (“Daily Report”). Page updates are intermittent, so data may be temporarily out of date. The context in which the numbers are published suggests that the number of tests performed may correspond to the number of people assessed.

Others can be sent to a laboratory for analysis. In some cases, a long swab is inserted into the throat or it can spit into a tube to produce a saliva sample. lateral flow test Results may be available in minutes when analyzed on site or for a few days or longer in locations with test delays when sent to an external laboratory.

The cumulative sums for the 26th. March 2020, however, do not match the cumulative amount that will be available from the 28th. Possible inconsistencies with the series from 28. To avoid March 2020, we have therefore not taken these test numbers into account.

Test numbers for up to 85 laboratories in the country are given in the data set. The data are from the 28th. In Alaska, viral tests, also called PCR swab tests, antigen tests or molecular tests, are used to check the current infection. Some machines (p. Eg. Abbott ID Now, Cepheid) processes virus tests quickly, while other samples are collected and sent to Alaska State Public Health Laboratories, the commercial laboratory or other health centers for processing. Response times for results range from less than an hour for rapid tests to several days for results sent to laboratories.

We calculate the positive rate as the average of 7 days of positive tests divided by the average of 7 days of tests performed. We use data product 49 to create a time series of the cumulative number of PCR and antigen tests that have been carried out in the country so far, since PCR and antigen tests can be used to confirm COVID-19. The number of cases corresponds to the total number of positive tests on PCR and antigen. As such, we calculated the positive rate as the average of 7 days of cases divided by the average of 7 days of PCR and antigen tests performed. The figures refer to all tests carried out in Chile, including the Institute for Public Health and public and private hospitals. Please note that the counting methods and test definitions vary depending on the Brazilian state.

The record contains the date, the daily number of tests carried out and the total number of tests carried out. We collect the total number of PCR and rapid antigen tests carried out (column “total tests”). The Canadian government provides a complete data set on the COVID 19 outbreak, which shows the cumulative number of. January 2021 contains assessed persons. As this time series is no longer updated by the Canadian government, our main data browser COVID-19 is no longer displayed, but is still available for download in our public test data record.

Furthermore, based on the fact that the number of samples analyzed is only slightly different from the number of people analyzed in the period from 10. May 2020 differs, we have no reason to believe that the variation in terminology before the 10th. May has a serious impact on the interpretation of the time series as the cumulative number of samples analyzed. May 2020, daily updates to the situation constantly report the cumulative number of samples analyzed. The Ethiopian Institute for Public Health, in collaboration with the Ethiopian Ministry of Health, offers daily press releases that indicate the cumulative number of tests performed to date.

August 2020, the statements no longer contain any evidence. The Maldives Health Protection Agency provides COVID-19 response updates on its official Twitter page (@HPA_MV), which show the cumulative and / or daily number of samples analyzed. “Repeated samples” are contained in the test figures. The cumulative sum is from 26. We determine the cumulative sum by adding the daily sums.

For our data collection, we rely on the consolidated time series, which were administered by the Data Science Research Group for Social Impact at the University of Pretoria and published on GitHub. April 2020, the Ministry of Health published a protocol for the treatment of patients with COVID-19 and its contacts. On page 2 of this document, COVID 19 cases can be confirmed by a positive PCR or antigen test result. Therefore PCR and antigen tests are probably included in the test numbers. In November, the Ministry of Health announced at a press conference that antigen tests can now be used to confirm COVID 19 cases.