Mohand Arezki Izri, parasitologist and medical entomologist at the Avicenne hospital in Bobigny AP-HP, explains why it is important to act quickly if you have bedbugs in your home and why it is not advisable to use insecticides to get rid of them. In recent weeks, the presence of bedbugs has been reported in cinemas, high-speed trains, the Paris metro and the waiting area of Roissy airport, but not all cases have been confirmed. IMAGES AND SOUNDBITES