The Vatican told the press this evening, Saturday, Feb. 22, that Pope Francis experienced what it called a “prolonged asthma-like respiratory crisis”—essentially, the symptoms of a severe asthma attack—requiring him to receive high-flow oxygen.

This evening’s update also said that Francis’ most recent blood tests revealed “thrombocytopenia,” which is a lowered level of platelets in the blood that is common in critical care patients. This condition resulted in a need for the pope to receive blood transfusions.

Repeating what doctors said at the press conference yesterday, the Vatican said, Pope Francis’ condition remains critical, and he is not yet out of danger.

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