Medical providers in Ukraine could run out of oxygen as Russia’s invasion disrupts transportation, according to the World Health Organization.
As Tunisia faces a surge of COVID-19 cases, demand for life-saving oxygen has grown higher than the supply.
Sonia Sein is breathing freely again after getting an unusual transplant. In January, doctors at New York’s Mount Sinai replaced her trachea.
Warnings went unheeded at the start of the pandemic and doctors say the shortage has led to unnecessary deaths.