Table 1.

Concepts and search items

Databases	Search items
Medline Embase CENTRAL Cochrane Web of Science Scopus LILACS SciELO	#1 (Cervical Intraepithelial Neoplasia) OR (Neoplasia, Cervical Intraepithelial) OR (Cervical Intraepithelial Neoplasms) OR (Cervical Intraepithelial Neoplasm) OR (Intraepithelial Neoplasm, Cervical) OR (Intraepithelial Neoplasms, Cervical) OR (Neoplasm, Cervical Intraepithelial) OR (Neoplasms, Cervical Intraepithelial) OR (Intraepithelial Neoplasia, Cervical) OR (Cervical Intraepithelial Neoplasia, Grade III) OR (Cervical Intraepithelial Neoplasia Grade II) OR (High Grade Cervical Intraepithelial Neoplasia) OR (CIN) OR (High-grade Cervical Intraepithelial Neoplasia) OR (Cervical Intraepithelial Neoplasia) OR (Precancerous Conditions) OR (Preneoplastic Condition*)
	#2 (Papillomaviridae) OR (Human papilomavírus) OR (Human Papilloma Viruses) OR (Papilloma Virus, Human) OR (Papilloma Viruses, Human) OR (Virus, Human Papilloma) OR (Viruses, Human Papilloma) OR (HPV, Human Papillomavirus Viruses) OR (Human Papillomavirus Viruses) OR (Human Papillomavirus Virus) OR (Papillomavirus Virus, Human) OR (Papillomavirus Viruses, Human) OR (Virus, Human Papillomavirus) OR (Viruses, Human Papillomavirus)
	#3 #1 AND #2 #4 (Vaccine) OR (Immunomodulatory Therapy) OR (Therapies, Immunomodulatory) OR (Therapy, Immunomodulatory) OR (Vaccines, Neoplasm) OR (Injection, Therapeutic Vaccine) OR (Vaccinotherapy) OR (Therapeutic vaccine) OR (Vaccinotherapy) OR (Vaccine Immunogenicity) OR (Antigenicity, Vaccine) OR (Adjuvant) OR (Vaccination)
	#5 #3 AND #4 #6 (Controlled Trial) OR (Controlled Clinical Trial) OR (Controlled Trials) OR (Random Allocation) OR (Clinical Trial) OR (Clinical Trials) OR (Random*) OR (Prospective Studies) OR (Control) OR (Prospective*) #7 #5 AND #6

CENTRAL, Cochrane Central Register of Controlled Trials; Embase, Excerpta Medica Database; LILACS, Latin American and Caribbean Health Sciences Literature; Medline, Medical Literature Analysis and Retrieval System Online; SciELO, Scientific Electronic Library Online.