For those who are counting, this was the tenth attempt by Taiwan to get observer status (not even full status as a member!) in the World Health Assembly. For those who are not counting, you should be.
As the Taipei Times reports, the assembly refused (again) even to include Taiwan's application on its meeting agenda (pdf). This was after the assembly listened to protests from Pakistan and the PRC (those role models of humanitarianism). (If you're interested in the discussion of the adoption of the agenda, you can find it in this document [pdf], page 10, Item 1.4)
The Taipei Times quotes "Ambassador and permanent representative to the UN Sha Zukang (沙祖康)" as
Maybe the reason that CNN and the BBC haven't reported on this is that, after 10 years, it isn't news anymore.