Pls conmect for advice

It means that they have incorporated their Format which they give to all those patients who get vaginal swab culture done. If infection is there, they will expose those bacteria to antibiotics and see if the bacteria are affected by those antibiotics or not. In your case there was no infection but by force of habit they have included the last two sentences.

Report is normal.

Means no further treatment is required

It means nothing specific, the results are normal Which may be either due to prior intake of medications or sometimes you just can’t rely on reports you will have to look for symptoms

It says the swab from vagina  shows no infection  .Negative  report could be due to previously  used antibiotics