International guidelines

United Kingdom

Published by:National Institute for Health and Care Excellence

Last published:2021

Published by:National Institute for Health and Care Excellence

Last published:2014 (re-affirmed 2018)

Published by:Department of Health

Last published:2011

North America

Published by:Centers for Disease Control and Prevention

Last published:2024

Published by:American College of Obstetricians and Gynecologists

Last published:2021 (re-affirmed 2024)

Published by:American College of Emergency Physicians

Last published:2019

Published by:Canadian Association on Gerontology

Last published:2016

Oceania

Published by:Australian Institute of Family Studies

Last published:2016

Published by:Ministry of Health (New Zealand)

Last published:2007

Rest of the world

Published by:World Health Organization

Last published:2022

Published by:United Nations Programme on Ageing

Last published:2002

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