Tedros said China has taken measures it believes appropriate to contain the spread of coronavirus in Wuhan, where the virus appears to have originated, and other cities, and World Health Organization hoped that they will be both effective and short in their duration.
Meanwhile, the World Health Organization (WHO) said on January 23 that now is not the time to declare a new virus that emerged in China a global health emergency.
Here is a list of areas and countries that have so far confirmed cases of the coronavirus.
A man in his 30s is being treated for coronavirus in Seattle.
All planes, trains and other public transport in and out of the city of Wuhan, which is home to 11 million people - has been suspended.
"Health providers quickly recognized that the patient met the criteria for coronavirus testing, but nothing has been confirmed". "We are expecting more cases in the USA, and we are likely to see some cases among close contacts of patients from human to human transmission". The Illinois Department of Public Health, as well as the Chicago Department of Public Health, are taking steps to investigate locations where the patient may have visited between returning to the US and being admitted to the hospital, but said the patient had limited movement outside the home.
"Dear Iranian citizens who are planning to travel to China should notice the latest outbreak of the virus at the destination before departure and avoid places suspect of contamination". Within two months, it treated one-seventh of all the country's SARS patients, the Changjiang Daily said.
Coronaviruses usually cause common-cold symptoms affecting the nose, sinuses or upper throat, and are spread through sneezing, coughing or direct contact. She contacted her physician, who immediately instructed her to put on a mask and referred her to a local hospital with infection control facilities.
"The global risk for Canadians remains low", the ministry insisted.
Travelers from China are being screened at several airports across the world in the wake of a deadly viral outbreak.
It takes four to six hours for CDC researchers to test respiratory and blood samples for novel coronavirus, Messonnier said.
DPH said it is working with the CDC "to understand and monitor" the outbreak.
"This is a rapidly changing situation both overseas and domestically", Messonnier said during the news conference.
"We are expecting more cases in the USA, and we are likely to see more cases among travelers and human-to-human transmission".