Teresa Romero García , a Spanish nurse 's aide , is now free of the virus . The previous tests showed only a ` ` background '' level of infection . Madrid ( CNN ) -- She will still remain hospitalized for days or weeks .
Teresa Romero García , a Spanish nurse 's aide , is now free of the virus . The previous tests showed only a ` ` background '' level of infection . She will still remain hospitalized for days or weeks .