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COVID-19 two years on: What have we learned and what is the future?

Mark Greener looks how our understanding of the coronavirus has evolved over the pandemic

Since emerging in Wuhan in late 2019, SARS-CoV-2 spread worldwide. The Cook Islands in the South Pacific, one of the last outposts free from COVID-19, recorded its first case on 13 February 2022.1

Every Independent Nurse reader probably knows friends and relations who have developed COVID-19. But the psychological, emotional and financial impact touched even the uninfected, triggering in some people, mental health problems, including anxiety, depression and post-traumatic stress disorder.2,3 If previous pandemics and epidemics are anything to go by, for some this distress will herald chronic longer-term mental health problems.2 So, two years on from the first UK lockdown, what have we learnt?

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