defending their country from russian aggression . u.s. president joe biden is headed to japan after wrapping up a three-day visit to south korea. he left owe sawn air base just outside seoul a short time ago, expected to arrive in japan in about an hour to mark his first trip to asia as commander in chief. while biden has tried to focus on bolstering america s economic ties in the region, the shadow of potential conflict is never far away. saturday the u.s. and south korea announced plans to hold joint military drills. blake essig is in tokyo with a preview of what to expect from the japan leg of biden s trip. let s start with paula hancocks. so the headline was the resumption of joint military drills, but there were important economic issues at stake here too. what headway did president biden make while he was there? reporter: kim, the headlines that he really wanted to see was about the economic ties that he had. he had developed here. and president biden was in the reg
mutating into more lethal or transmissable forms. many are now asking whether this could happen with monkeypox. dr rosamund lewis is the head of the smallpox secretariat at the world health organisation. here s her answer to that. we can say that this is a dna virus. it s one of the largest, if not the largest, amongst the largest viruses known. the mutation rate is much lower than for rna viruses, and so it s a very stable virus. so, we don t yet have evidence that there is mutation in the virus itself. so, although monkeypox is a stable virus that doesn t tend to mutate, there are two forms of it the west african, with a mortality rate of around i%, that s according to the world health organisation, and the one from the congo basin, which could have a fatality rate as high as 10%. which could have a fatality we are dealing with the form that comes from west aftica. that means most people will experience milder symptoms, with only around one in every 100 people who catch it developi