If succesful after human trials, the vaccine will still take more than a year to reach the market.
There are 1,898 people on board including 1,020 passengers and 878 crew members, according to the company.
North Korea has insisted it has no confirmed COVID-19 infections but has taken various anti-virus measures, including shutting down its border and putting thousands of people in isolation.
Bolsonaro said Mandetta lacked humility to, to lead Brazil in this difficult time .
Residents of the two cities are allowed to leave their homes to meet only necessary needs such as healthcare and food supplies from 6 am until 3 pm every day.
Iran is the worst-hit country in the Middle East.
Trump, answering questions from reporters at the briefing, said only “if people want to wear them, they can.”
Italy had the most deaths, more than 13,900, followed by Spain. The United States had the most confirmed cases of any country, more than 240,000, the data showed.
Putin offered the medical assistance during the two world leaders' telephonic conversation on March 30.
More than 305 million out of the total 330 million Americans are staying indoors as the US battles to contain the spread of the deadly coronavirus which has infected over 235,000 people and claimed...