How to write banners for nucleic acid detection doctors?

Send a banner to the nucleic acid testing doctor to write, help the epidemic in the same boat, and love blind date. Thanks to the doctors for their help at the critical moment, angels in white for their painstaking efforts and the front line of nucleic acid detection, and all the medical workers for their great help and hard work, so as to escort the overall situation of epidemic prevention and control. Banners are flags made of colored silks and satins, which are awarded to winners in various competitions, or to groups or individuals to show their respect and gratitude.