If your health code is gray, it means that your health status is still under review, which means that you are not qualified to travel, not to mention staying in a hotel.
Many places have issued notices. While checking the health code, check the vaccination mark in COVID-19. People who have been vaccinated with COVID-19 vaccine can move freely, and the health codes of those who have not been vaccinated are displayed in gray. So the gray health code means you haven't been vaccinated against COVID-19. In order to realize the information interconnection of the whole vaccination process in COVID-19. Please meet the requirements of the second inactivated vaccine in COVID-19 as soon as possible. Only by completing the corresponding vaccination procedures can the best immune effect be achieved. Vaccination with COVID-19 vaccine is the most effective way to prevent COVID-19 infection.