Ian has done this vaccine early this year. He took 2 dosages in total and only had a little fever for 2 days. My friend who has a friend working at Wyeth, the cost of this vaccine is already $600, mostly the doctor will charge from $700-$950 according to the office rental. So those doctors in hk island would be charging much. However, $600 in causeway bay is so cheap wor, means that he has not mark up at all??? I wonder wor.....it's business ma...