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# Latest FDA Warning Letter
- URL: https://www.fdaweb.com/latest-fda-warning-letter-15/
- Published: 2021-04-20T12:00:00.000Z
- Updated: 2026-09-14T16:55:34.000Z
- Author: David McFarland
- Tags: FDA Policy/General, #legacy-id-D5149146

FDA has posted its latest batch of Warning Letters that includes one medical product company. It can be accessed by clicking on the link following the summary below:**Hou Fu Biotech**, Jiangsu, China (4/12): FDA tested the firm’s Panrosa Instant Hand Sanitizer and determined it is adulterated because its strength, purity, or quality falls below that which it purports or is represented to possess. The agency says that the sanitizer’s subpotency demonstrates that the quality assurance within the facility is not functioning in accordance with current GMP requirements. To view the letter, click [here](https://www.fda.gov/inspections-compliance-enforcement-and-criminal-investigations/warning-letters/hou-fu-biotech-611644-jiangsu-co-ltd?ref=fdaweb.com).