After doing nucleic acid so many times, I finally know where to poke!
Author 丨 Curious Dr.
appendix:
Not mentioned above, why poke the chrysanthemum? Because it was previously found that some patients with new crown are mainly manifested by intestinal symptoms, and the feces carry the virus.
However, because whether the virus in the feces is a live virus or not, whether it is contagious has always lacked conclusiveness, swabs have not been widely used.