Black Wednesday (NHS)

[2] A similar phenomenon is perceived in the United States, known as the July effect, although several studies have conflicting outcomes as to whether a knock to patient care is observed.

[3] Despite a lack of conclusive data, several guidelines have been introduced in the United Kingdom to ensure optimal patient care throughout the changeover season.

In 2012, a letter from Sir Bruce Keogh introduced a mandatory 4-day paid shadowing period for all foundation year 1 (FY1) doctors prior to their official start date.

The shadowing period aimed to enhance performance on the first working day and ultimately improve the safety and efficiency of patient care.

The Academy of Medical Royal Colleges in conjunction with NHS Employers, later developed practical recommendations to help mitigate problems associated with patient care during the changeover period.