The coronavirus can be a downer for those wanting to get high in one of Amsterdam's world famous "coffee shops", at coffeeshop Prix d'Ami a doorman flashes a thumbs up, left, as clients are scanned for fever, one of the symptoms of a coronavirus infection, and are obliged to wash their hands, right, before being allowed to enter to roll a joint and smoke marijuana in Amsterdam, Netherlands, Friday, March 13, 2020. For most people, the new coronavirus causes only mild or moderate symptoms, such as fever and cough. For some, especially older adults and people with existing health problems, it can cause more severe illness, including pneumonia. (AP Photo/Peter Dejong)