Incidence Trends for SARS-CoV-2 Alpha and Beta Variants, Finland, Spring 2021.

Kant, Ravi; Nguyen, Phuoc Truong; Blomqvist, Soile; Erdin, Mert; Alburkat, Hussein; Suvanto, Maija; Zakham, Fathiah; Salminen, Veera; Olander, Viktor; Paloniemi, Minna; Huhti, Leena; Lehtinen, Sara; Luukinen, Bruno; Jarva, Hanna; Kallio-Kokko, Hannimari; Kurkela, Satu; Lappalainen, Maija; Liimatainen, Hanna; Hannula, Sari; Halkilahti, Jani; Ikonen, Jonna; Ikonen, Niina; Helve, Otto; Gunell, Marianne; Vuorinen, Tytti; Plyusnin, Ilya; Lindh, Erika; Ellonen, Pekka; Sironen, Tarja; Savolainen-Kopra, Carita; Smura, Teemu; Vapalahti, Olli

Kant, Ravi; Nguyen, Phuoc Truong; Blomqvist, Soile; Erdin, Mert; Alburkat, Hussein; Suvanto, Maija; Zakham, Fathiah; Salminen, Veera; Olander, Viktor; Paloniemi, Minna; Huhti, Leena; Lehtinen, Sara; Luukinen, Bruno; Jarva, Hanna; Kallio-Kokko, Hannimari; Kurkela, Satu; Lappalainen, Maija; Liimatainen, Hanna; Hannula, Sari; Halkilahti, Jani; Ikonen, Jonna; Ikonen, Niina; Helve, Otto; Gunell, Marianne; Vuorinen, Tytti; Plyusnin, Ilya; Lindh, Erika; Ellonen, Pekka; Sironen, Tarja; Savolainen-Kopra, Carita; Smura, Teemu; Vapalahti, Olli.

Emerg Infect Dis ; 27(12): 3137-3141, 2021 12.

Article in English | MEDLINE | ID: covidwho-1496966

ABSTRACT

ABSTRACT

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.

Subject(s)

COVID-19; SARS-CoV-2; Finland/epidemiology; Humans; Incidence; Phylogeny

Keywords

Alpha variant; Beta variant; COVID-19; Finland; SARS-CoV-2; coronavirus disease; epidemiology; infectious disease transmission; phylogeny; public health surveillance; respiratory infections; severe acute respiratory syndrome coronavirus 2; vaccination; vaccines; viruses

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Full text: Available Collection: International databases Database: MEDLINE Main subject: SARS-CoV-2 / COVID-19 Type of study: Observational study / Randomized controlled trials Topics: Variants Limits: Humans Country/Region as subject: Europa Language: English Journal: Emerg Infect Dis Journal subject: Communicable Diseases Year: 2021 Document Type: Article

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