WASHINGTON, March 24, 2020 (Xinhua) -- Photo taken on March 23, 2020 shows a U.S. dollar banknote in Washington D.C., the United States. The U.S. Federal Reserve (Fed) announced on Monday a plan to purchase U.S. treasuries and agency mortgage-backed securities with no limit to help markets function more efficiently amid COVID-19 uncertainty.

WUHAN, March 24, 2020 (Xinhua) -- Staff conduct disinfection on a subway train in Wuhan, central Chinas Hubei Province, March 23, 2020. The public need to go through real-name registration for taking public transportation or taxis in Wuhan, capital of central Chinas Hubei Province, authorities said Sunday.

BUCHAREST, March 24, 2020 (Xinhua) -- A Romanian policeman checks people on the street of Bucharest, Romania, March 23, 2020. Romania on Sunday recorded the first two deaths from COVID-19, the disease caused by the novel coronavirus, as the total confirmed cases rose to 433.

JOHANNESBURG, March 24, 2020 (Xinhua) -- People shop in a supermarket in Johannesburg, South Africa, March 23, 2020. As cases of COVID-19 passed the 400 mark on Monday, South African President Cyril Ramaphosa said a countrywide lockdown would be implemented on Thursday. The 21-day lockdown would last until April 16, the president announced in Pretoria.

ROME, March 24, 2020 (Xinhua) -- Photo taken on March 23, 2020 shows the almost-empty Roma Termini railway station in Rome, Italy. The COVID-19 pandemic had claimed 6,077 lives in locked down Italy by Monday, with the cumulative number of confirmed cases reaching 63,927, according to new figures released by the Civil Protection Department.

. RIYADH, March 24, 2020 (Xinhua) -- Governor of Saudi Arabian Monetary Authority Ahmed al-Kholifey (C) and Saudi Finance Minister Mohammed al-Jadaan (R) attend the G20 Finance Ministers and Central Bank Governors Virtual Meeting in Riyadh, Saudi Arabia, on March 23, 2020. The G20 finance ministers and central bank governors agreed on Monday during a televised meeting to develop a joint G20 Action Plan in response to the COVID-19, said a statement by the G20 Saudi secretariat.

DUBLIN, March 24, 2020 (Xinhua) -- Photo taken on March 23, 2020 shows an Irish navy ship being transformed into a COVID-19 testing centre in Dublin, Ireland. Two more COVID-19 patients died while another 219 new coronavirus cases were confirmed in Ireland on Monday, the countrys Department of Health said in a statement. To date, there have been a total of 1,125 confirmed cases of COVID-19 and six COVID-19-related deaths in the country, said the statement, adding that the latest two victims of the disease are both male from the east of Ireland.