Pope Francis visits pediatric hospital in Mexico City

In this photo taken on Sunday, Feb. 14, 2016, Pope Francis hugs a girl during his visit to the Federico Gomez Pediatric Hospital, in Mexico City. The pope makes a point of stopping at children's hospitals during his foreign trips, both to visit with the kids and to thank the staff for caring for them (L'Osservatore Romano/Pool Photo via AP)

Pope Francis gives drop of medicine to five-year-old Rodrigo Lopez Miranda, during his visit to the Federico Gomez Pediatric Hospital, in Mexico City, Sunday, Feb. 14, 2016. The pope makes a point of stopping at children's hospitals during his foreign trips, both to visit with the kids and to thank the staff for caring for them. (AP Photo/Gregorio Borgia)

Five-year-old Rodrigo Lopez Miranda embraces Pope Francis, during his visit to the Federico Gomez Pediatric Hospital, in Mexico City, Sunday, Feb. 14, 2016. The pope makes a point of stopping at children's hospitals during his foreign trips, both to visit with the kids and to thank the staff for caring for them. (AP Photo/Gregorio Borgia)

El papa Francisco besa a un niño en la frente durante la visita que hizo al Hospital Pediátrico Federico Gómez en la Ciudad de México, el domingo 14 de febrero de 2016. En los viajes que hace al exterior, el papa visita hospitales pediátricos para reunirse con pacientes infantiles y agradecer al personal que los atiende. (AP Foto/Gregorio Borgia)

In this photo taken on Sunday, Feb. 14, 2016, Pope Francis holds a jersey with the number one and his name printed on it, during his visit to the Federico Gomez Pediatric Hospital, in Mexico City. The pope makes a point of stopping at children's hospitals during his foreign trips, both to visit with the kids and to thank the staff for caring for them (L'Osservatore Romano/Pool Photo via AP)

El papa Francisco posa para la foto con un chico durante la visita que efectuó al Hospital Pediátrico Federico Gómez en la Ciudad de México, el domingo 14 de febrero de 2016. En los viajes que hace al exterior, el pontífice argentino visita hospitales pediátricos para reunirse con pacientes infantiles y agradecer al personal que los atiende. (AP Foto/Gregorio Borgia)

Dos chicos abrazan al papa Francisco durante la visita de éste al Hospital Pediátrico Federico Gómez en la Ciudad de México, el domingo 14 de febrero de 2016. En los viajes que hace al exterior, el pontífice argentino visita hospitales pediátricos para reunirse con pacientes infantiles y agradecer al personal que los atiende. (AP Foto/Gregorio Borgia)

In this photo taken on Sunday, Feb. 14, 2016, Pope Francis meets children during his visit to the Federico Gomez Pediatric Hospital, in Mexico City. The pope makes a point of stopping at children's hospitals during his foreign trips, both to visit with the kids and to thank the staff for caring for them (L'Osservatore Romano/Pool Photo via AP)

In this photo taken on Sunday, Feb. 14, 2016, Pope Francis hugs a child during his visit to the Federico Gomez Pediatric Hospital, in Mexico City. The pope makes a point of stopping at children's hospitals during his foreign trips, both to visit with the kids and to thank the staff for caring for them (L'Osservatore Romano/Pool Photo via AP)

Pope Francis kisses a child on the forehead during his visit to the Federico Gomez Pediatric Hospital, in Mexico City, Sunday, Feb. 14, 2016. The pope makes a point of stopping at children's hospitals during his foreign trips, both to visit with the kids and to thank the staff for caring for them. (AP Photo/Gregorio Borgia)

In this photo taken on Sunday, Feb. 14, 2016, Pope Francis hugs a girl during his visit to the Federico Gomez Pediatric Hospital, in Mexico City. The pope makes a point of stopping at children's hospitals during his foreign trips, both to visit with the kids and to thank the staff for caring for them (L'Osservatore Romano/Pool Photo via AP)

Pope Francis blesses a child during his visit to the Federico Gomez Pediatric Hospital, in Mexico City, Sunday, Feb. 14, 2016. The pope makes a point of stopping at children's hospitals during his foreign trips, both to visit with the kids and to thank the staff for caring for them. (AP Photo/Gregorio Borgia)

Pope Francis blesses a child during his visit to the Federico Gomez Pediatric Hospital, in Mexico City, Sunday, Feb. 14, 2016. The pope makes a point of stopping at children's hospitals during his foreign trips, both to visit with the kids and to thank the staff for caring for them. (AP Photo/Gregorio Borgia)