"I'm very sorry, I really didn't notice that the health certificate expired. Thank you very much for reminding me. I'll contact the relevant departments immediately to find out how to update the health certificate. I will go through the formalities as soon as possible to ensure that this problem is solved. Thank you again for your concern and reminder. "
A health certificate is a document that proves the health of an individual. It is issued by medical institutions or the government to ensure the safety and health of individuals in specific occupations or activities. Health certificates can include physical examination results, vaccination records, infectious disease detection and other information. Health certificate holders can prove that they meet the relevant requirements and protect the health and safety of others. The validity period of health certificate can be determined according to regulations and needs to be updated in time to maintain its legitimacy and reliability.