Vaccine sparks interest in plug-and-play freezer monitors The Connexion uses necessary cookies to help us provide you with a better user experience. By continuing to use this website, you accept our use of cookies. Accept Vaccine sparks interest in plug-and-play freezer monitors A French start-up offering plug-and-play freezer monitors is seeing a surge in interest from health authorities needing to monitor temperatures for storing Covid-19 vaccines 18 February 2021 President and co-founder of Koovea Adrien ContentBy Connexion journalist The company, called Koovea and set up by three friends in 2015, started selling monitors in 2018 and has seen sales rise from €200,000 to €2million in two years.