We don't know that hot weather kills it off, nor the effect of UV. Either way it's not going to eradicate every single bit of virus.
Children may be unaffected - although I don't know if that's completely accurate - but they can be carriers. Just like all the other bugs children carry back from school to siblings and parents, do you really want that risk?
There's a first case in South America with someone returning from Italy.
Originally Posted by: Gandalf The White