In 1940, Vichy authorities ordered an extended networks of labor camps to be created or repurposed in North Africa, including Guinea, to hold these foreign refugees and dissidents.
Other types of prisoners were confined to Vichy labor camps in French West Africa. Here, French authorities established camps, mostly to intern Allied prisoners of war and the crews of Dutch Greek, Danish, and British military or commercial ships. These camps were located in Conakry, Kinda and Kankan.
Apart from a reference to labour camps for Jews and others during the second World War, there is no indication than Guinea ever had a Jewish population.