Pope Francis's health has been described as stable yet complicated as he continues to recuperate from pneumonia while being treated at Rome's Gemelli hospital.

The 88-year-old pontiff was admitted on February 14 and has encountered several respiratory issues since then.

On Thursday, Francis released an audio message for pilgrims in St. Peter's Square, marking the first time his voice has been publicly heard since his hospitalization.

In the message, recorded earlier that day, he expressed his gratitude for the prayers and support regarding his health, although his voice appeared weak, accompanied by noticeable labored breathing.

The pope spoke in Spanish, prompting questions from observers about his ability to communicate in Italian, the language usually used for Vatican matters.

However, a Vatican representative explained that Francis opted for Spanish to connect with a wider audience.

The Vatican press office released a statement on Friday, indicating that while the pope's condition was stable, it was deemed 'complex', suggesting a cautious prognosis.

Reports emphasized that Francis has participated in light work, physiotherapy, and prayer, including time spent in a small chapel within the hospital.

Currently, he alternates between wearing an oxygen mask at night and using a nasal cannula that supplies high-flow oxygen during the day.

Pilgrims in St. Peter's Square responded favorably to his audio message, interpreting it as a hopeful indication of his resilience, while acknowledging the difficulties he is facing.

The Vatican has been actively responding to increasing public speculation regarding the pope's health.

To improve transparency, regular updates on Francis's sleep patterns are being shared, followed by a detailed medical bulletin each evening.

However, the latest bulletin indicated that, due to the stability of his clinical situation, no further updates would be provided on Friday, with the next anticipated on Saturday.

A brief update on Friday morning noted that the pope had a calm night and woke up shortly after 8:00 AM local time.

Significantly, he has missed the last three Sunday Angelus prayers, a custom in which he typically addresses the public from the Gemelli balcony.

This current health crisis for Pope Francis represents his longest hospitalization, following a series of medical challenges in recent years.

Notable incidents include colon surgery in 2021 and a hernia operation in 2023. Recently, he experienced a significant respiratory episode on February 22 and faced acute respiratory failure due to bronchial complications on March 3.

The pontiff's health has often been a subject of speculation, sparking discussions about the possibility of his resignation, a fate that his predecessor, Benedict XVI, encountered in 2013.