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STIs during the first and second wave of COVID-19 in Denmark
  1. Ida M Heerfordt
  1. Department of Dermato-Venereology, Bispebjerg Hospital, Copenhagen, Denmark
  1. Correspondence to Dr Ida M Heerfordt, Department of Dermato-Venereology, Bispebjerg Hospital, Bispebjerg Bakke 23, 2400 Copenhagen, Denmark; ida.marie.heerfordt{at}

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During the first wave of COVID-19, several European studies reported an unchanged incidence of STIs in the first half of 2020.1–4 Only a Spanish study found a decreased number.5 Data from the last part of 2020 are lacking, and due to long incubation periods of STIs, follow-up is important.

In Denmark, the first lockdown began in March 2020 with, among other things, closed nightlife and a public gatherings limit of 10. Restrictions reduced the incidence of COVID-19 and were loosened over summer so that bars could open and gatherings could include 100. The second wave started in September and culminated in December 2020. In response, nightlife was closed and gathering limit reduced to 10 during the fall and winter.

As COVID-19 cause more harm on the elderly, one might expect them …

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  • Handling editor Anna Maria Geretti

  • Contributors The article was prepared solely by IMH.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; internally peer reviewed.