[3] Amidst pressure from the public and rival political parties on 11 March 2021, he announced his intentions to resign as Minister of Health of Slovakia.

Krajčí ran 2016 Slovak parliamentary election from fourth place as an independent OĽaNO candidate.

[13] Krajčí made sure affordable health care for people with COVID-19 by gradually sending the hospital bed pool and managing patient transfers.

[14] Together with Igor Matovič, Krajčí secured the Russian Sputnik V vaccine for Slovakia, which they welcomed together at Košice Airport on 1 March 2020.

[15] This escalated long-standing tensions between the main representatives of the coalition and finally led to the outbreak of a government crisis.