A doctor tests an asylum-seeking migrant from Central America, who was expelled from the U.S. and sent back to Mexico with her son under Title 42, for the coronavirus disease (COVID-19), at the "Kiki Romero" temporary migrant shelter, in Ciudad Juarez, Mexico April 7, 2021.

Asylum-seeking migrants from Central America, who were expelled from the U.S. and sent back to Mexico with their children under Title 42, are waiting to be tested for the coronavirus disease (COVID-19), at the "Kiki Romero" temporary migrant shelter, in Ciudad Juarez, Mexico April 7, 2021.

An asylum-seeking migrant from Central America, who was airlifted from Brownsville to El Paso, Texas, and deported from the U.S. with her son, sits at the El Buen Samaritano shelter in Ciudad Juarez, Mexico March 21, 2021.

Central American migrants, who are seeking asylum in the U.S., attend a Palm Sunday mass in a shelter in Ciudad Juarez, Mexico, March 28, 2021.

Ana Maria Moreno an asylum-seeking migrant from Guatemala, who was airlifted from Brownsville to El Paso, Texas, and deported from the U.S. with her daughter, hugs her daughter inside the "Kiki Romero" gym that was adapted as a temporary shelter, in Ciudad Juarez, Mexico April 5, 2021.

An asylum-seeking migrant child from Central America, who was expelled from the U.S. and sent back to Mexico with his family under Title 42, runs inside the "Kiki Romero" temporary migrant shelter, in Ciudad Juarez, Mexico April 7, 2021.

An asylum-seeking migrant child from Central America, who was airlifted from Brownsville to El Paso, Texas, and deported from the U.S. with his mother, paints in a book inside the El Buen Samaritano shelter in Ciudad Juarez, Mexico April 1, 2021.

Government employees enable a gym that will provide temporary shelter for migrants from Central America deported from the U.S., in Ciudad Juarez, Mexico April 3, 2021.

A Honduran migrant boy who was deported from the U.S. cuts his hair at a shelter in Ciudad Juarez, Mexico, March 27, 2021.

Asylum-seeking migrant children from Central America, who were airlifted from Brownsville to El Paso, Texas, and deported from the U.S. with their mother, play inside the El Buen Samaritano shelter in Ciudad Juarez, Mexico April 1, 2021.

An asylum-seeking migrant from Central America, who was expelled from the U.S. and sent back to Mexico with her son under Title 42, is tested for the coronavirus disease (COVID-19), at the "Kiki Romero" temporary migrant shelter, in Ciudad Juarez, Mexico April 7, 2021.

A government employee carries a piece of a bunk bed inside a gym that will provide temporary shelter for migrants from Central America deported from the U.S., in Ciudad Juarez, Mexico April 3, 2021.

Asylum-seeking migrant children from Central America, who was airlifted from Brownsville to El Paso, Texas, and deported from the U.S. with their family, wait before entering the "Kiki Romero" gym that was adapted as a temporary shelter, in Ciudad Juarez, Mexico April 5, 2021.

Asylum-seeking migrant children from Central America, who were expelled from the U.S. and sent back to Mexico with their families under Title 42, play on bunk beds inside the "Kiki Romero" temporary migrant shelter, in Ciudad Juarez, Mexico April 7, 2021.

Asylum-seeking migrant girls from Central America, who were deported from the U.S. with their family, play with dolls inside the El Buen Samaritano shelter in Ciudad Juarez, Mexico March 21, 2021.

Ana Maria Moreno an asylum-seeking migrant from Guatemala, who was airlifted from Brownsville to El Paso, Texas, and deported from the U.S. with her daughter, cries during an interview inside the "Kiki Romero" gym that was adapted as a temporary shelter, in Ciudad Juarez, Mexico April 5, 2021.

Firefighters assemble bunk beds inside a gym that will provide temporary shelter for migrants from Central America deported from the U.S., in Ciudad Juarez, Mexico April 3, 2021.

Asylum-seeking migrant children from Central America, who were expelled from the U.S. and sent back to Mexico with their families under Title 42, play inside the "Kiki Romero" temporary migrant shelter, in Ciudad Juarez, Mexico April 7, 2021.

Central American migrant children, who are seeking asylum or were deported from the U.S. with their parents, rest in a shelter in Ciudad Juarez, Mexico, March 28, 2021.

An Asylum-seeking migrant girl from Central America, who was deported from the U.S. with her family, eats instant soup inside the El Buen Samaritano shelter in Ciudad Juarez, Mexico March 21, 2021.

Central American migrants, who are seeking asylum in the U.S., attend a Palm Sunday mass at a shelter in Ciudad Juarez, Mexico, March 28, 2021.

Asylum-seeking migrants from Central America, who were airlifted from Brownsville to El Paso, Texas, and deported from the U.S., are transferred to the "Kiki Romero" gym which was adapted as a temporary shelter, in Ciudad Juarez, Mexico April 5, 2021.

Asylum-seeking migrant children from Central America, who were expelled from the U.S. and sent back to Mexico with their families under Title 42, play on bunk beds inside the "Kiki Romero" temporary migrant shelter, in Ciudad Juarez, Mexico April 7, 2021.

Honduran migrant children who were deported from the U.S. cut their hair in a shelter in Ciudad Juarez, Mexico, March 27, 2021.

Sandra Soto an asylum-seeking migrant from Honduras, who was airlifted from Brownsville to El Paso, Texas, and deported from the U.S. with her daughter, is on a bed inside the El Buen Samaritano shelter in Ciudad Juarez, Mexico April 1, 2021.

An asylum-seeking migrant child from Central America, who was airlifted from Brownsville to El Paso, Texas, and deported from the U.S. with his mother, is seen inside the El Buen Samaritano shelter in Ciudad Juarez, Mexico April 1, 2021.

Yodanis Hidalgo, a migrant from Cuba under the Migrant Protection Protocols (MPP) program, works as a volunteer assembling bunk beds inside a gym that will provide temporary shelter for migrants from Central America deported from the U.S., in Ciudad Juarez, Mexico April 3, 2021.

An asylum-seeking migrant from Central America, who was airlifted from Brownsville to El Paso, Texas, and deported from the U.S. with her son, lies on a bed inside the "Kiki Romero" gym that was adapted as a temporary shelter, in Ciudad Juarez, Mexico April 5, 2021.

Central American migrant children, who were seeking asylum or were deported from the U.S. with their parents, rest in a shelter in Ciudad Juarez, Mexico, March 28, 2021.