Out-of-Season Epidemic of Respiratory Syncytial Virus in Denmark in the Summer/Autumn of 2021, with More Cases and Admissions than Seen in Previous Winter Seasons and a Shift in Affected Age Groups Towards Older Children Aged 2–5 Years

• Frederikke K. Lomholt,
• Hanne-Dorthe Emborg,
• Sarah Nørgaard,
• Jens Nielsen,
• Charlotte Munkstrup,
• Karina Lauenborg Møller,
• Ramona Trebbien,
• Lasse Skafte Vestergaard

Affiliations

Frederikke K. Lomholt

Department of Infectious Disease Epidemiology and Prevention, Statens Serum Institut, Copenhagen, Denmark

Hanne-Dorthe Emborg

Department of Infectious Disease Epidemiology and Prevention, Statens Serum Institut, Copenhagen, Denmark

Sarah Nørgaard

Department of Infectious Disease Epidemiology and Prevention, Statens Serum Institut, Copenhagen, Denmark

Jens Nielsen

Department of Infectious Disease Epidemiology and Prevention, Statens Serum Institut, Copenhagen, Denmark

Charlotte Munkstrup

Department of Infectious Disease Epidemiology and Prevention, Statens Serum Institut, Copenhagen, Denmark

Karina Lauenborg Møller

Division of Infectious Disease Preparedness, Statens Serum Institut, Copenhagen, Denmark

Ramona Trebbien

Department of Virus and Microbiological Special Diagnostics, Statens Serum Institut, Copenhagen, Denmark

Lasse Skafte Vestergaard

Department of Infectious Disease Epidemiology and Prevention, Statens Serum Institut, Copenhagen, Denmark