Comments on ‘Presumed Post-COVID Infection Retinitis – Clinical and Tomographic Features of Retinitis as a Post-COVID Syndrome’

ABSTRACT

Characteristics and course of known seasonal diseases of pre-coronavirus disease (COVID-19) pandemic era may or may not change during the pandemic. Labelling COVID-19 as a novel etiology for those seasonal diseases or considering it as coinfection is debatable. Appropriate investigations are required to rule out previously known etiologies before correlating it with COVID-19. Epidemic retinitis (ER) or post fever retinitis is one such entity with seasonal variation. Multiple seropositivity for various organisms has been reported for ER during pre-pandemic era. This may significantly increase during the pandemic as the possibility of coinfection with COVID-19 is high. In the absence of gold-standard tests to exclude previously reported causes of ER, one should not undermine the possible coinfection before considering ER as post-COVID-19 syndrome. A study of incidence and pattern of seasonal variation of ER before and during the pandemic is needed before presumptively associating it with COVID-19.

KEYWORDS:

• COVID-19
• epidemic retinitis
• post fever retinitis
• retinitis
• seasonal variation
• serology

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