Trajineras (boats) are parked in Xochimilco due to a lack of clients as Mexico's health ministry urged people to maintain a "healthy distance" to avoid infection and the spreading of coronavirus disease (COVID-19), in Mexico City, Mexico March 21, 2020. REUTERS/Luis Cortes

MEXICO CITY (Reuters) - Mexican health authorities said on Saturday that there are 251 confirmed coronavirus cases in Mexico, 48 more cases than a day earlier.