"""Dutch King Willem-Alexander, center, curator Mieneke te Hennepe, second left, and director Amito Haarhuis, left, tour the """"Contagious!"""" exhibit at Rijksmuseum Boerhave in Leiden, Netherlands, Thursday, July 16, 2020. The museum finally opened an exhibition Thursday on contagious diseases through the ages after a long delay caused by the disease currently sweeping the world, COVID-19. (AP Photo/Peter Dejong, Pool)"""
{}