Algiers: The grand mosque, Djamav¢ El-DjazavØr, in Algiers is closed for prayers after a presidential order, to prevent the spread of coronavirus, in Algeria, Friday, March 20, 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/PTI(AP20-03-2020_000269B)