In the absence of a specific vaccine, there has been much interest in alternative treatments and strategies to help minimise the effects of infection with COVID-19.
One strategy attracting much interest in the media is the importance of achieving sufficient vitamin D levels, and the topic has also been the subject of recent academic articles.1,2 While both articles discuss the potential role of vitamin D in the immune system, they also highlight the lack of direct clinical studies in those with COVID-19. However, a recent research letter3 provides some tentative evidence of the impact of vitamin D status on the severity of COVID-19 symptoms.
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