TY - JOUR T1 - Hospital admission and emergency care attendance risk for SARS-CoV-2 delta (B.1.617.2) compared with alpha (B.1.1.7) variants of concern: a cohort study JO - The Lancet Infectious Diseases UR - https://doi.org/10.1016/s1473-3099(21)00475-8 PY - 2021/08/27 AU - Twohig KA AU - Nyberg T AU - Zaidi A AU - Thelwall S AU - Sinnathamby MA AU - Aliabadi S AU - Seaman SR AU - Harris RJ AU - Hope R AU - Lopez-Bernal J AU - Gallagher E et al ED - DO - DOI: 10.1016/s1473-3099(21)00475-8 PB - Elsevier BV VL - 22 IS - 1 SP - 35 EP - 42 Y2 - 2025/09/16 ER -