The key idea behind professionalisation, argues Menand, is that "the knowledge and skills needed for a particular specialisation are transmissible but bot transferable".

But the key idea behind professionalization, argues Mr. Menand, is that "the knowledge and skills needed for a particular specialization are transmissible but not transferable."

Although the H5N1 virus is highly infectious among poultry, it is not easily transmissible to humans.