According to Terezie Arnoldová, deputy head of the national reference laboratory for disinsection and deratization of the State Institute of Health, the demand for bed bug extermination rose by 15 percent in 2023. "Experts say that during the course of Covid-19, the bed bug has died down because there has been no travel. Currently, it is returning to normal, so the numbers are increasing," Arnoldová told Czech Radio.