In the event of a crisis, help will first go to those who need it most. You should plan to be able to manage without the help of society for a week or longer.
If you are on a visit in Sweden and become ill, call 1177 for information from a registered nurse about illnesses and where to find your nearest healthcare centre. In case of emergency, call 112 for an ambulance.
Being source critical means evaluating the information you find. Firstly, this means understanding that some sources have greater credibility than others and, secondly, being aware that the originator of the information has an objective.