Karolina Topa, a biology teacher, uses the "Infection" board game about the novel coronavirus and the...
Karolina Topa, a biology teacher, uses the "Infection" board game about the novel coronavirus and the human immune system, invented by Gdansk University neurobiologist Wojciech Glac, during an online class with her pupils, as the spread of the coronavirus disease (COVID-19) continues in Gdansk, Poland, May 13, 2020. Picture taken May 13, 2020. REUTERS/Matej Leskovsek