Tamara found a tennis-racket-bug-zapper today being sold in town.
It's rechargeable (it plugs directly into the wall), and looks like a tennis racket.
When you turn it on and hold down the button, you can swat the mosquitos around you and ZAP! - mosquito dead.
Julia and I demonstrate the use of the instrument:
Julia got about 7 of them tonight in clinic. Only 750 billion to go.