Palestinian boy Mustafa Shanty (L) and his brother Mohammad, who suffer from cystic fibrosis, sit inside a charity in Gaza City July 2, 2017. Picture taken July 2, 2017. REUTERS/Mohammed Salem Show moreShow less
The mother of Palestinian boy Ahmed Abbas, who suffers from cystic fibrosis, holds his hand as he lies on a hospital bed in Gaza City July 2, 2017. Picture taken July 2, 2017. REUTERS/Mohammed Salem Show moreShow less
Palestinian boy Fares Al-Jalees, who suffers from cystic fibrosis, is held by his mother Ritta as he receives oxygen supplementation therapy inside their house in Gaza City July 2, 2017. Picture taken July 2, 2017. REUTERS/Mohammed Salem Show moreShow less
An airway clearance vest system that is used by patients suffering from cystic fibrosis, is seen inside a charity in Gaza City July 2, 2017. Picture taken July 2, 2017. REUTERS/Mohammed Salem Show moreShow less
Palestinian boy Mustafa Shanty (R) and his brother Mohammad, who suffer from cystic fibrosis, receive oxygen therapy during a power cut in their family house, which is equipped with a backup battery-powered system, in Gaza City July 2, 2017. Picture taken July 2, 2017. REUTERS/Mohammed Salem Show moreShow less
Palestinian boy Mohammad Shanty, who suffers from cystic fibrosis, sits next to his mother after receiving oxygen therapy during a power cut in their family house, which is equipped with a backup battery-powered system, in Gaza City July 2, 2017. Picture taken July 2, 2017. REUTERS/Mohammed Salem Show moreShow less
Palestinian boy Mohammad Shanty (R) and his brother Mustafa, who suffer from cystic fibrosis, sit next to their mother after receiving oxygen therapy in Gaza City July 2, 2017. Picture taken July 2, 2017. REUTERS/Mohammed SalemShow moreShow less
Palestinian boy Ahmed Abbas, who suffers from cystic fibrosis, sleeps as he lies on a hospital bed in Gaza City July 2, 2017. Picture taken July 2, 2017. REUTERS/Mohammed SalemShow moreShow less
Palestinian boy Fares Al-Jalees, who suffers from cystic fibrosis, is held by his mother Ritta as he receives oxygen supplementation therapy inside their house in Gaza City July 2, 2017. Picture taken July 2, 2017. REUTERS/Mohammed Salem Show moreShow less
Gaza's children with cystic fibrosis in mortal danger