She contracted it from an unscreened blood transfusion during surgery, 5 years before. The tree is planted in a soil mixture of construction sand, unscreened topsoil, and compost. However, they also carry higher risks associated with unscreened sexual or body fluid contact. Unscreened from the Boer's trenches in the town, the mounted force lost 500 men. Lee hosted "Triple M", a feature where calls go straight to air, live and unscreened. It features many fast-paced unscreened phone calls. It does not include the final unscreened episode (see above). The unscreened episodes from that final series were broadcast with little publicity in late 2005. Eventually, a 'straight to air' format was settled upon, where calls would be taken unscreened.