Shanghai nucleic acid needs re-examination. What should I do if I don't receive the text message?

Shanghai nucleic acid needs re-examination. Failure to receive SMS means that the verification result is not good or the COVID-19 is not obtained. According to relevant public information, as of June 6, 2023, the latest epidemic situation in Shanghai is low-risk, and the epidemic prevention control measures require that the health code no longer be checked. COVID-19 can enter and leave public places and needs to re-examine nucleic acids. When he went to the hospital for a second nucleic acid test, there was no result, or there was no diagnosis, and he would not receive a text message.