Global influenza surveillance systems to detect the spread of influenza-negative influenza-like illness during the COVID-19 pandemic: Time series outlier analyses …

NL Cobb, S Collier, EF Attia, O Augusto, TE West… - PLoS …, 2022 - journals.plos.org
Background Surveillance systems are important in detecting changes in disease patterns
and can act as early warning systems for emerging disease outbreaks. We hypothesized …

[HTML][HTML] A comparative study between the incidence and epidemiological features of Influenza-Like Illness and laboratory-confirmed COVID-19 cases in the Italian …

F Grosso, A Castrofino, G Del Castillo, C Galli… - Journal of Infection and …, 2021 - Elsevier
Abstract Introduction In Lombardy, the influenza surveillance system relies on sentinel
physicians that weekly report data on the number of Influenza-Like Illness (ILI) and a part of …

[HTML][HTML] Changing influenza activity in the Southern hemisphere countries during the COVID-19 pandemic

J Kim, REG Gómez, K Hong, S Yum, J Jang… - International Journal of …, 2021 - Elsevier
Introduction While the reduction in influenza cases in the Northern hemisphere in 2020 has
been widely reported, the influenza transmission dynamics in the Southern hemisphere …

Excess cases of influenza and the coronavirus epidemic in Catalonia: a time-series analysis of primary-care electronic medical records covering over 6 million people

EC Redon, N Mora, A Prats-Uribe, FF Avilés… - BMJ open, 2020 - bmjopen.bmj.com
Objectives There is uncertainty about when the first cases of COVID-19 appeared in Spain.
We aimed to determine whether influenza diagnoses masked early COVID-19 cases and …

What to expect for the influenza season 2020/21 with the ongoing COVID-19 pandemic in the World Health Organization European Region

C Adlhoch, R Pebody - Eurosurveillance, 2020 - eurosurveillance.org
In 2020, the emergence of coronavirus disease (COVID-19) caused by the severe acute
respiratory syndrome coronavirus 2 (SARS-CoV-2) has affected people all across the World …

[PDF][PDF] Looking for evidence of a high burden of COVID-19 in the United States from influenza-like illness data

NG Reich, EL Ray, GC Gibson, E Cramer… - …, 2020 - raw.githubusercontent.com
In December 2019, an outbreak of a novel, the SARS-CoV-2 coronavirus was detected in
Wuhan, China. In the intervening weeks, case counts have grown substantially. As of this …

Estimating the prevalence of COVID-19 in the United States: three complementary approaches

FS Lu, A Nguyen, N Link, M Santillana - 2020 - dash.harvard.edu
Effectively designing and evaluating public health responses to the ongoing COVID-19
pandemic requires accurate estimation of the week to week burden of COVID-19 …

Excess cases of influenza suggest an earlier start to the coronavirus epidemic in Spain than official figures tell us: an analysis of primary care electronic medical …

E Coma, N Mora, A Prats-Uribe, F Fina… - Medrxiv, 2020 - medrxiv.org
Objectives There is uncertainty about when the first cases of COVID-19 appeared in Spain,
as asymptomatic patients can transmit the virus. We aimed to determine whether influenza …

[HTML][HTML] Decreased influenza activity during the covid-19 pandemic—United States, Australia, Chile, and South Africa, 2020

SJ Olsen - MMWR. Morbidity and mortality weekly report, 2020 - cdc.gov
Following widespread adoption of community mitigation measures to reduce transmission of
SARS-CoV-2, the virus that causes COVID-19, the percentage of US respiratory specimens …

When the COVID-19 pandemic surges during influenza season: Lessons learnt from the sentinel laboratory-based surveillance of influenza-like illness in Lombardy …

C Galli, L Pellegrinelli, L Bubba, V Primache… - Viruses, 2021 - mdpi.com
This paper outlines the role of Lombardy's regional influenza reference laboratory (Northern
Italy) in the surveillance of influenza-like illnesses (ILIs) in monitoring SARS-CoV-2 …