Static electricity can pull ticks on to their hosts
It's possible other external parasites might respond to electrostatic forces the same way
![A close up photo of a castor bean tick sitting on dry grass.](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2023/06/062923_ss_ticks_jump_feat.jpg?fit=1030%2C580&ssl=1)
Ticks, like this castor bean tick (Ixodes ricinus), might sometimes make the jump to hosts thanks to static electricity.
W.alter/Wikimedia (CC BY-SA 4.0)