Catch up locals' news in English
2021-04-24T21:30:33.658Z
Young and healthy people often do not get covid-19 as seriously as older people and people at risk. But even young people are at risk if the spread of infection continues and vaccination is delayed.
SVT Vetenskap explains why suddenly the elderly and risk groups can stop being protected if the infection continues to spread among the younger ones.
Watch The World of Science about the vaccine and the mutations on Monday 26 April at 20.00 on SVT2 and on SVT Play.
Source: svt
