SVA [SINOVAC BIOTECH] SC 13G/A: (Original Filing)
[CUSIP No. P8696W104 1 NAMES OF REPORTING PERSONS 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) o (a) þ (b) 3 SEC USE ONLY 4 CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands 5 SOLE VOTING POWER NUMBER OF]