in modern intensive care units. but videos like this one uploaded to the internet claim to show a different picture of hospitals overwhelmed and staff unable to cope. in beijing reporters mobbed the head of china's cdc as he tried to calm the growing sense of panic. this virus is not as strong or as dangerous as the sars virus was, he says, but it's a new virus so we need time to develop treatment. while the chinese government is now taking decisive measures to contain the spread of this virus, many experts think it is already too late. one study suggests that in wuhan city alone by the end of next week there will be nearly 200,000 infections and that is why senior doctors in hong kong are calling on the government to close the border with mainland china. many places in mainland china are not waiting.