Oil rises as WHO declares emergency but opposes travel ban

LONDON (Reuters) - Oil prices rose on Friday but were still set for a fourth consecutive weekly loss, as markets attempted to assess the economic damage of the new coronavirus that has spread from China to around 20 countries, killing more than 200 people.Brent crude was up 27 cents at $58.56 a barrel by 1050 GMT but still down 3.5% on the week. U.S. West Texas Intermediate (WTI) rose by 23 cents to $52.37 a barrel, but remained down 3.4% on the week. Both benchmarks rose by more than $1..