How to identify parallel needles
1. Before opening the box, confirm whether it is written with "GARDASIL 9 or Jarvis.9" and Merck logo. 2. "HK-XXXXXX" such as "HK-64239" is printed on the bottom of the back of the outer packaging box (HK stands for Hong Kong, and the off-site number must be HK, otherwise it is parallel).