Figure 5From: Assessment of the knowledge of graphical symbols labelled on malaria rapid diagnostic tests in four international settingsA package of malaria RDT Visitec malaria combo pan/Pf. This picture was used to present the IVD symbol 'Date of manufacture' in context. NB: the symbol used for 'Sufficient for' is not required by EN 980: the inverted triangle should contain the '∑' character and affix the number beneath.Back to article page