Due to frequent relocation of hospital staff during the pandemic, participants were further asked to state whether they had direct patient contact and whether they had worked in COVID-19 departments, (COVID-19 zone of the emergency department, COVID-19 transit ward (admitting patients awaiting ...
Although accurate serological tests are still under development, the need for study participants is urgent so as to collect blood from study participants awaiting such tests in the near future. These tests could become crucial to obtain fully interpretable and unbiased results from these studies. For...
Within the past 1–7 days, high-risk close contact with a confirmed COVID-19 case. If the index case was symptomatic, this contact must have occurred during their symptomatic period, including 1 day before symptom onset. If the index case was asymptomatic, this contact must have occurred ...
The information in the present study is either derived from medical text that is assumed to be authoritative, or represents an assertion awaiting refutation, so <A | R | B> = ι1 + ι*1 = 1. That is, unless a specific degree of truth, range of applicability, or degree of belief or...