Just heard that 5 pupils have been confirmed as having caught this flu from a recent trip to Mexico and this Dulwich school is now closed until 11th May. My friends children go there and they are all, including the parents, having the Tamiflu jab as a precautionary measure. Its highly possible that given that the school is fairly local, some website readers may also have primary or secondary contacts with this school/pupils/parents/staff so may need to consider whether they have been in contact with any infected persons and need to take action. Not wanting to create panic but I suspect people would rather know than not so that they can at least take any symptoms seriously.
http://www.alleyns.org.uk