Spanish police were making further inquiries at the apartment block which is home to the nurse diagnosed with Ebola.<br/> <br />Teresa Romero's husband Javier's among those now being monitored for the disease.<br/> <br />But he's issued a plea for the couple's dog to be spared after authorities said it should be put down, sparking a protest outside the building.<br/> <br />(SOUNDBITE)(Spanish) JAVIER LIMON, HUSBAND OF NURSE INFECTED WITH EBOLA, SAYING:<br/> <br />"Hi, my name is Javier Limon, Teresa Romero's husband. I am in hospital and I call on society to help me save my dog, Excalibur. They want to kill him for no reason, without following any procedure. Associations are supporting us."<br/> <br />In Madrid about 100 people gathered outside the Spanish Health Care Ministry to protest over the government's handling of the case.<br/> <br />They're demanding the resignation of the Health Minister.<br/> <br />Officials say they still can't confirm how Romero contracted the disease.<br/> <br />She'd been helping two priest
