TY - JOUR AU - Kant, Ravi AU - Nguyen, Phuoc Truong AU - Blomqvist, Soile AU - Erdin, Mert AU - Alburkat, Hussein AU - Suvanto, Maija AU - Zakham, Fathiah AU - Salminen, Veera AU - Olander, Viktor AU - Paloniemi, Minna AU - Huhti, Leena AU - Lehtinen, Sara AU - Luukinen, Bruno AU - Jarva, Hanna AU - Kallio-Kokko, Hannimari AU - Kurkela, Satu AU - Lappalainen, Maija AU - Liimatainen, Hanna AU - Hannula, Sari AU - Halkilahti, Jani AU - Ikonen, Jonna AU - Ikonen, Niina AU - Helve, Otto AU - Gunell, Marianne AU - Vuorinen, Tytti AU - Plyusnin, Ilya AU - Lindh, Erika AU - Ellonen, Pekka AU - Sironen, Tarja AU - Savolainen-Kopra, Carita AU - Smura, Teemu AU - Vapalahti, Olli T1 - Incidence Trends for SARS-CoV-2 Alpha and Beta Variants, Finland, Spring 2021 T2 - Emerging Infectious Disease journal PY - 2021 VL - 27 IS - 12 SP - 3137 SN - 1080-6059 AB - Severe acute respiratory syndrome coronavirus 2 Alpha and Beta variants became dominant in Finland in spring 2021 but had diminished by summer. We used phylogenetic clustering to identify sources of spreading. We found that outbreaks were mostly seeded by a few introductions, highlighting the importance of surveillance and prevention policies. KW - COVID-19 KW - coronavirus disease KW - epidemiology KW - Finland KW - infectious disease transmission KW - phylogeny KW - public health surveillance KW - respiratory infections KW - SARS-CoV-2 KW - Alpha variant KW - Beta variant KW - severe acute respiratory syndrome coronavirus 2 KW - vaccination KW - vaccines KW - viruses DO - 10.3201/eid2712.211631 UR - https://wwwnc.cdc.gov/eid/article/27/12/21-1631_article ER - End of Reference