A Johanniter air rescue helicopter is seen on a soccer pitch prior to transporting a patient with serious breathing problems from Gruenberg to a hospital in Bad Hersfeld, as the spread of the coronavirus disease (COVID-19) continues, in Gruenberg, Germany, April 25, 2021.

Rescue helicopter "Christoph Giessen" of Johanniter air rescue is seen up in the air as the spread of the coronavirus disease (COVID-19) continues, near Frankfurt, Germany, April 25, 2021.

A bag containing coronavirus quick tests is seen next to Doctor Simon Little with helicopter "Christoph Giessen" of Johanniter air rescue during a rescue mission, as the spread of the coronavirus disease (COVID-19) continues, near Frankfurt, Germany, April 25, 2021.

Doctor Simon Little with helicopter "Christoph Giessen" of Johanniter air rescue looks out of the window during a rescue mission, as the spread of the coronavirus disease (COVID-19) continues, in Oberissigheim, near Hanau, Germany, April 25, 2021.

Doctor Simon Little (L) and paramedic Bjoern Kohlhaussen with helicopter "Christoph Giessen" of Johanniter air rescue prepare a patient for a transport to Wuerzburg from Aschaffenburg, as the spread of the coronavirus disease (COVID-19) continues, in Aschaffenburg, Germany, April 25, 2021.

A Johanniter air rescue helicopter is seen on a soccer pitch prior to transporting a patient with serious breathing problems from Gruenberg to a hospital in Bad Hersfeld, as the spread of the coronavirus disease (COVID-19) continues, in Gruenberg, Germany, April 25, 2021.

The wreckage of a car is seen on the site where rescue helicopter "Christoph Giessen" of Johanniter air rescue arrived at, in Oberissigheim, near Hanau, Germany, April 25, 2021.

The shadow of a helicopter of Johanniter air rescue is seen as it lands at the helipad base, as the spread of the coronavirus disease (COVID-19) continues, in Giessen, Germany, April 25, 2021.

Doctor Simon Little with helicopter "Christoph Giessen" of Johanniter air rescue attends to a patient during his transport to Wuerzburg from Aschaffenburg, as the spread of the coronavirus disease (COVID-19) continues, in Aschaffenburg, Germany, April 25, 2021.

Doctor Simon Little with helicopter "Christoph Giessen" of Johanniter air rescue attends to a young man after a car crash in Oberissigheim, near Hanau, Germany, April 25, 2021.

A patient with serious breathing problems is attended to by Doctor Simon Little of Johanniter air rescue prior to the flight from Gruenberg to a hospital in Bad Hersfeld, as the spread of the coronavirus disease (COVID-19) continues, in Germany, April 25, 2021.

Rescue helicopter "Christoph Giessen" of Johanniter air rescue flies during a mission, as the spread of the coronavirus disease (COVID-19) continues, near Aschaffenburg, Germany, April 25, 2021.

Doctor Simon Little (C) and paramedic Bjoern Kohlhaussen with helicopter "Christoph Giessen" of Johanniter air rescue prepare a patient for transport to Wuerzburg from Aschaffenburg, as the spread of the coronavirus disease (COVID-19) continues, in Aschaffenburg, Germany, April 25, 2021.

Doctor Simon Little of Johanniter air rescue attends to a patient with serious breathing problems prior to the flight from Gruenberg to a hospital in Bad Hersfeld, as the spread of the coronavirus disease (COVID-19) continues, in Germany, April 25, 2021.

Rescue helicopter "Christoph Giessen" of Johanniter air rescue receives a patient after a car crash in Oberissigheim, near Hanau, Germany, April 25, 2021.

A Johanniter air rescue helicopter and crew members are seen on a soccer pitch prior to transporting a patient with serious breathing problems from Gruenberg to a hospital in Bad Hersfeld, as the spread of the coronavirus disease (COVID-19) continues, in Gruenberg, Germany, April 25, 2021.

Doctor Simon Little of Johanniter air rescue attends to a patient with serious breathing problems during the flight from Gruenberg to a hospital in Bad Hersfeld, as the spread of the coronavirus disease (COVID-19) continues, in Germany, April 25, 2021.

Doctor Simon Little with helicopter "Christoph Giessen" of Johanniter air rescue attends to a young man after a car crash in Oberissigheim, near Hanau, Germany, April 25, 2021.

A patient on helicopter "Christoph Giessen" of Johanniter air rescue breathes through an respirator prior to his transport to Wuerzburg from Aschaffenburg, as the spread of the coronavirus disease (COVID-19) continues, in Aschaffenburg, Germany, April 25, 2021.

A medical crew with helicopter "Christoph Giessen" of Johanniter air rescue prepare a patient for transport to Wuerzburg from Aschaffenburg, as the spread of the coronavirus disease (COVID-19) continues, in Aschaffenburg, Germany, April 25, 2021.

Doctor Simon Little with helicopter "Christoph Giessen" of Johanniter air rescue arrives to transfer a patient to Wuerzburg from Aschaffenburg, as the spread of the coronavirus disease (COVID-19) continues, in Aschaffenburg, Germany, April 25, 2021.

A helicopter of Johanniter air rescue lands at a helipad at its base after a mission, as the spread of the coronavirus disease (COVID-19) continues, in Giessen, Germany, April 25, 2021.

The wreckage of a car is seen on the site where rescue helicopter "Christoph Giessen" of Johanniter air rescue arrived at, in Oberissigheim, near Hanau, Germany, April 25, 2021.

Doctor Simon Little with helicopter "Christoph Giessen" of Johanniter air rescue looks after a patient, as the spread of the coronavirus disease (COVID-19) continues, in Aschaffenburg, Germany, April 25, 2021.

A medical crew with helicopter "Christoph Giessen" of Johanniter air rescue prepare a patient for transport to Wuerzburg from Aschaffenburg, as the spread of the coronavirus disease (COVID-19) continues, in Aschaffenburg, Germany, April 25, 2021.

A patient of helicopter "Christoph Giessen" of Johanniter air rescue breathes through a respirator prior to his transport to Wuerzburg from Aschaffenburg, as the spread of the coronavirus disease (COVID-19) continues, in Aschaffenburg, Germany, April 25, 2021.