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Why are back-up facilities visited?

April 26, 2017back-up facilities visited

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Why are back-up facilities visited?

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Where fewer than 50% of medicines are available in a given medicine outlet, a second back-up facility is used to collect an additional set of data. This is to ensure that enough price data is collected to allow for robust analysis. Note that the data from the original facility is kept and analysed in order not to skew the results for medicine availability.