The conditions of two people critically wounded in the Pulse nightclub shooting on June 12 improved Saturday, a hospital spokesman said, according to WFTV.

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The two patients, who weren’t publicly identified, are now among 12 patients in stable condition, said Geo Morales, an Orlando Health spokesman.

Of the 19 people who remain hospitalized, four patients are in critical condition and another three are in guarded condition, Morales said.

At least four patients have been discharged from Orlando Regional Medical Center since Friday afternoon.

Since the massacre, doctors performed at least 54 operations on victims.