Since the mpox controls are double-stranded DNA controls, any purchase outside the US requires an export license due to the biosecurity concern. For US-based shipping, an export license will not be needed but please work with your NGS Account Manager to generate a quote and place an order.  If you are based outside of the US, please contact Twist customer support ([email protected])  and provide your name and institution’s name and address.  Our customer support team will work with you to get your export license granted.