Congo has confirmed second Ebola case in Goma, the city of more than 2 million people where the first confirmed case in this yearlong outbreak was reported earlier this month.<br />''<br />''There appeared to be no link between the man's case and the previous one in Goma, Jean-Jacques Muyembe, a local Ebola response coordinator, told reporters.<br />'' The patient is now isolated at an Ebola treatment centre. Ebola symptoms can start to occur between two and 21 days from infection, health experts say.<br />''<br />''Days after the first Goma case was announced, the World Health Organization declared the Ebola outbreak a rare global emergency.<br />''<br />'' The city is one of the hardest hit by this outbreak, which is second only to the 2014-16 Ebola epidemic in West Africa that left more than 11,300 people dead. <br />''<br />''<br />''<br />''<br />''<br />