Nurse Ines Lopes enters a COVID-19 patient room at Sao Jose Hospital, Intensive Care Unit (ICU) during the coronavirus disease (COVID-19) pandemic in Lisbon, Portugal, February 19, 2021.

Nurse Ines Lopes leaves a COVID-19 patient room at the night shift at Sao Jose Hospital, Intensive Care Unit (ICU) during the coronavirus disease (COVID-19) pandemic in Lisbon, Portugal, February 19, 2021.

Nurse Ines Lopes prepares to enter a COVID-19 patient room at the night shift at Sao Jose Hospital, Intensive Care Unit (ICU) during the coronavirus disease (COVID-19) pandemic in Lisbon, Portugal, February 19, 2021.

Nurse Ines Lopes works in a room with a COVID-19 patient at the night shift at Sao Jose Hospital, Intensive Care Unit (ICU) during the coronavirus disease (COVID-19) pandemic in Lisbon, Portugal, February 19, 2021.

Nurse Ines Lopes works in a room with a COVID-19 patient at the night shift at Sao Jose Hospital, Intensive Care Unit (ICU) during the coronavirus disease (COVID-19) pandemic in Lisbon, Portugal, February 19, 2021.

Nurse Ines Lopes works the night shift at Sao Jose Hospital, Intensive Care Unit (ICU) during the coronavirus disease (COVID-19) pandemic in Lisbon, Portugal, February 19, 2021.

Nurse Ines Lopes works the night shift at Sao Jose Hospital, Intensive Care Unit (ICU) during the coronavirus disease (COVID-19) pandemic in Lisbon, Portugal, February 18, 2021.

Nurse Ines Lopes arrives to work the night shift at Sao Jose Hospital, Intensive Care Unit (ICU) during the coronavirus disease (COVID-19) pandemic in Lisbon, Portugal, February 18, 2021.

Nurse Ines Lopes works in a room with a COVID-19 patient at the night shift at Sao Jose Hospital, Intensive Care Unit (ICU) during the coronavirus disease (COVID-19) pandemic in Lisbon, Portugal, February 19, 2021.

Nurse Ines Lopes with her fellow nurses eat at the night shift at Sao Jose Hospital, Intensive Care Unit (ICU) during the coronavirus disease (COVID-19) pandemic in Lisbon, Portugal, February 19, 2021.

Nurse Ines Lopes prepares to leave home for the night shift at Sao Jose Hospital, Intensive Care Unit (ICU) during the coronavirus disease (COVID-19) pandemic in Lisbon, Portugal, February 18, 2021.

Nurse Ines Lopes prepares her dinner before the night shift at Sao Jose Hospital, Intensive Care Unit (ICU) during the coronavirus disease (COVID-19) pandemic in Lisbon, Portugal, February 18, 2021.

Nurse Ines Lopes prepares to leave home for the night shift at Sao Jose Hospital, Intensive Care Unit (ICU) during the coronavirus disease (COVID-19) pandemic in Lisbon, Portugal, February 18, 2021.

Nurse Ines Lopes looks at a picture wall of Intensive Care Unit (ICU) medical staff during the night shift at Sao Jose Hospital, Intensive Care Unit (ICU) during the coronavirus disease (COVID-19) pandemic in Lisbon, Portugal, February 19, 2021.

Nurse Ines Lopes arrives to work the night shift at Sao Jose Hospital, Intensive Care Unit (ICU) during the coronavirus disease (COVID-19) pandemic in Lisbon, Portugal, February 18, 2021.

Nurse Ines Lopes is seen in a room with a COVID-19 patient at the night shift at Sao Jose Hospital, Intensive Care Unit (ICU) during the coronavirus disease (COVID-19) pandemic in Lisbon, Portugal, February 19, 2021. \

Nurse Ines Lopes checks her phone during the night shift at Sao Jose Hospital, Intensive Care Unit (ICU) during the coronavirus disease (COVID-19) pandemic in Lisbon, Portugal, February 19, 2021.

Nurse Ines Lopes works at Sao Jose Hospital, Intensive Care Unit (ICU) during the coronavirus disease (COVID-19) pandemic in Lisbon, Portugal, February 19, 2021.

Nurse Ines Lopes prepares medication at the night shift at Sao Jose Hospital, Intensive Care Unit (ICU) during the coronavirus disease (COVID-19) pandemic in Lisbon, Portugal, February 18, 2021.

Nurse Ines Lopes prepares to enter a COVID-19 patient room at Sao Jose Hospital, Intensive Care Unit (ICU) during the coronavirus disease (COVID-19) pandemic in Lisbon, Portugal, February 19, 2021.

Nurse Ines Lopes checks the patients' vitals from the nurseling room during the night shift at Sao Jose Hospital, Intensive Care Unit (ICU) during the coronavirus disease (COVID-19) pandemic in Lisbon, Portugal, February 19, 2021.

Nurse Ines Lopes goes home before her night shift at Sao Jose Hospital, Intensive Care Unit (ICU) during the coronavirus disease (COVID-19) pandemic in Lisbon, Portugal, February 18, 2021.

Nurse Ines Lopes arrives at the night shift at Sao Jose Hospital, Intensive Care Unit (ICU) during the coronavirus disease (COVID-19) pandemic in Lisbon, Portugal, February 18, 2021.

Nurse Ines Lopes speaks with a nurse during the night shift at Sao Jose Hospital, Intensive Care Unit (ICU) during the coronavirus disease (COVID-19) pandemic in Lisbon, Portugal, February 19, 2021.