A: Production is weekly. A new batch will come out on a weekly basis. The latest product batch is last Monday. The shelf life is up to 3 years.

Here is how the storage will be:

1. Short Term (< 45 days or less) store in ambient temperature of less than 50° celsius. Keep GS-441524 inside the packaging, away from direct sunlight.

2. Long Term (>45 days) store in household refrigerator between 3°~ 8° Celsius for up to 3 years. Do not store the medicine in the freezer.

During injection, please make sure the vials is in room temperature and after injection you can put it back to the refrigerator.