Vaccination protects against serious illness and the long-term effects of COVID-19. Even though the majority of people who become infected experience only mild symptoms or none at all, a proportion of those who become ill develop a severe case or experience long-term consequences.
Adnan didn’t get vaccinated. After all, he and all the people around him were healthy and he thought the virus wasn’t so bad. Then he caught COVID-19 and had to be put into an induced coma for more than two weeks.