Hare Today (and Gone Tomorrow)?

It's not just humans who have problems with viruses. Since 2018, more than 1000 UK and Irish Brown hares have been reported to have died from a 'viral cocktail' (https://www.theguardian.com/environment/2021/aug/27/new-viral-cocktail-killing-hares-in-uk-and-ireland-scientists-warn-myxomatosis). One possibility, is that the virus is a form of myxomatosis that has 'jumped' from rabbits to hares. Viruses jumping between species (especially if they are closely-related), is quite common. The precise origins of the Brown hare infections are currently uncertain. As implied by the term 'cocktail', more than one virus may be involved.