NAIROBI, Oct. 17 -- The 65-year-old woman who became Kenya's third confirmed Ebola patient on Friday had been in quarantine since 6 October, and that, the Kenya Ministry of Health said, is why her illness was caught early.

She is a close relative of the first two patients and, like the earlier Kenya Ebola case TEH reported on Wednesday, she fell ill while already under watch. The ministry said she developed fever, sore throat and malaise, tested positive at two laboratories and is receiving supportive care.

Officials are calling that the system working. Dr Patrick Amoth, the ministry's director general for health, said it was "the response working as designed," according to the World Health Organization. The ministry's own statement car...