VTi Discs change colour if you have a temperature

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A sticker which can test your temperature and detect changes within seconds has been launched to help diagnose people suffering from coronavirus.  The innovative 24p disc changes colour when applied to the forehead of someone who develops a fever.<br />
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A cross on the The Visual Temperature Indicator (VTi) turns from green to red when it detects a temperature of 38 degrees or higher.  This will provide an easy new way to monitor symptoms of coronavirus, flu and other conditions.  SEE OUR COPY FOR DETAILS.<br />
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