SARS-CoV-2WORLD Health OrganizationPANDEMICSMAXIMUM likelihood statisticsThe world battled to defeat a novel coronavirus 2019 (SARS-CoV-2 or COVID-19), a respiratory illness that is transmitted from person to person through contacts with droplets from infected persons. Despi...
年龄较大的儿童,生活在贫困国家或地区的儿童以及少数民族背景的儿童的血清流行度估计较高. interpretation our findings indicate that, by the end of 2021 and before the omicron wave, around 50–70% of children globally were st...
SARS-CoV-2 Superspreader Is it possible that the Rose Garden event at the White House was a superspreading event (SSE)? The term ‘superspreading events’ was initially coined in 2005 by Lloyd-Smith et al. ‘in which certain individuals infected unusually large numbers of secondary cases’.1...
While mutations are common in RNA viruses and mostly will not make a significant difference, some mutations proved to provide SARS-CoV-2 with a selective advantage, such as increased transmissibility or increased escape from specific antibodies4,5,6,7,8. Those variants with proven or suspected im...
What Statistics Can Tell Us About SARS-CoV-2 Test Results by Nikolay Snytnikov To better estimate the situation with СOVID-19 within our companyLEDAS, we decided to make antibody testing available to our employees, all of whom had beenworking remotely since March. Fifty-three of our 70...
Thus, the study aim was to investigate SARS-CoV-2 incidence and mortality among persons with SUD/MI during the first two years of the pandemic. Methods: This historical cohort study merged data from the Norwegian Patient Register, the Norwegian Surveillance System for Communicable Diseases and ...
SARS-CoV-2 is transmitted via inhalation or direct contact with droplets from infected people. It has an incubation period ranging from 2 to ≥14 days. The rate of spread of SARS-CoV-2 is greater than that for severe acute respiratory syndrome coronavirus and Middle East respiratory coronavirus...
The coronavirus SARS-CoV-2 emerging from Wuhan, China has developed into a global epidemic. Here, we combine both human mobility and non-pharmaceutical interventions (social-distancing and suspected-cases isolation) into SEIR transmission model to understand how coronavirus transmits in a global enviro...
In this work, we used genetic, symptom and epidemiological data from the Office for National Statistics COVID Infection Survey (ONS-CIS)21, a large-scale community-based surveillance study carried out in the UK. We identified individuals with high-titre SARS-CoV-2 samples spanning 1 month or ...
The COVID-19 pandemic caused by novel severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) is responsible for more than 500 million cases worldwide as of April 2022. Initial estimates in 2020 found that children were less likely to become infecte