Effects of Social Distancing Measures during the First Epidemic Wave of Severe Acute Respiratory Syndrome Infection, Greece

Sypsa, Vana; Roussos, Sotirios; Paraskevis, Dimitrios; Lytras, Theodore; Tsiodras, Sotirios; Hatzakis, Angelos

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Effects of Social Distancing Measures during the First Epidemic Wave of Severe Acute Respiratory Syndrome Infection, Greece

Supporting Files Public Domain

February 2021
By Sypsa, Vana ; Roussos, Sotirios ; Paraskevis, Dimitrios ; ...

File Language:

English

Details

Alternative Title:

Emerg Infect Dis
Personal Author:

Sypsa, Vana ; Roussos, Sotirios ; Paraskevis, Dimitrios ; Lytras, Theodore ; Tsiodras, Sotirios ; Hatzakis, Angelos
Description:

Greece imposed a nationwide lockdown in March 2020 to mitigate transmission of severe acute respiratory syndrome coronavirus 2 during the first epidemic wave. We conducted a survey on age-specific social contact patterns to assess effects of physical distancing measures and used a susceptible-exposed-infectious-recovered model to simulate the epidemic. Because multiple distancing measures were implemented simultaneously, we assessed their overall effects and the contribution of each measure. Before measures were implemented, the estimated basic reproduction number (R|) was 2.38 (95% CI 2.01-2.80). During lockdown, daily contacts decreased by 86.9% and R| decreased by 81.0% (95% credible interval [CrI] 71.8%-86.0%); each distancing measure decreased R| by 10%-24%. By April 26, the attack rate in Greece was 0.12% (95% CrI 0.06%-0.26%), one of the lowest in Europe, and the infection fatality ratio was 1.12% (95% CrI 0.55%-2.31%). Multiple social distancing measures contained the first epidemic wave in Greece.
Subjects:

Adolescent Adult Aged Child Child, Preschool Coronavirus Infections COVID-19 Disease Transmission, Infectious Female Humans Incidence Infant Infant, Newborn Male Middle Aged Models, Statistical Physical Distancing Quarantine Young Adult
Source:

Emerg Infect Dis. 27(2):452-462
Pubmed ID:

33496221
Pubmed Central ID:

PMC7853557
Document Type:

Journal Article
Place as Subject:

Greece
Location:

Europe
Volume:

27
Issue:

2
Collection(s):

Emerging Infectious Diseases
Main Document Checksum:

urn:sha256:d446952a918df4da50a7e82e54dfd6b011bac4c9b2562f6e6a6dc2bb681a6d6d
Download URL:

https://stacks.cdc.gov/view/cdc/102466/cdc_102466_DS1.pdf
File Type:

[PDF - 2.09 MB ]

File Language:

English

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