Table 1 Survey questions

• Which was the total number of newborn in your center from the 1^st January 2018 to the 31 of December 2020 ?

• Did you administer routinely conjunctival antibiotics as prophylaxis to newborns at birth?

• Which drugs do you use routinely?

• How is the preparation of the drug: single or multi doses?

• How many cases of ON do you have observed during the three-year period and which pathogen was responsible?

• Do you collect maternal data relating to chlamydial and gonococcal infections during pregnancy?