Fig. 2From: Sun protection to improve vaccine effectiveness in children in a high ambient ultraviolet radiation and rural environment: an intervention studyAnnual variation in ambient solar UV radiation at Giyani, Limpopo Province. The data were extracted from the Ozone Monitoring Instrument (OMI) on the Aura Satellite which is part of the National Aeronautics and Space Administration (NASA) A-train satellite constellation. The data was obtained from Giovanni online data system, developed and maintained by the NASA Goddard Earth Science Data and Information Services CentreBack to article page