* 3 H1N1 cases found with potentially significant mutation * Two cases found among first fatalities in Norway
* Says disease’s mutation could cause more serious illness
* WHO says mutated virus sensitive to antivirals, vaccines
OSLO, Nov 20 (Reuters) – Norwegian health authorities said on Friday they have discovered a potentially significant mutation in the H1N1 influenza strain that could be responsible for causing the severest symptoms among those infected. Read More…
