«COVID-19 Mythbusters – FACT: People of all ages can be infected by the COVID-19 virus». www.who.int (på engelsk). World Health Organization. Besøkt 8. august 2020. «Older people and younger people can be infected by the COVID-19 virus. Older people, and people with pre-existing medical conditions such as asthma, diabetes, and heart disease appear to be more vulnerable to becoming severely ill with the virus. | WHO advises people of all ages to take steps to protect themselves from the virus, for example by following good hand hygiene and good respiratory hygiene.»