… The prevalence and duration of individual symptoms remain difficult to ascertain due to the
lack of standardized research methods across various studies and limited patient follow-up in …

… There are five categories of post-COVID-19 syndrome … initial symptoms, duration of symptoms,
delayed onset of symptoms… initial COVID-19 symptoms, variable duration of the symptoms, …

… In summary, in our study with serial CT scanning, the CT features of the COVID-19 pneumonia
were diverse and changed with duration of symptoms. The study provided thin-section CT …

… ,21 -23,25 ,28 -31,33 -35,37 -42,44 ,45,48 -52 the end of follow-up and the duration of
symptoms were determined by the date of the last medical examination. Summary statistics also …

… We found no statistical evidence of heterogeneity in the associations between vaccination
and long covid symptoms according to vaccine type; duration from infection to first vaccination; …

… The severity of symptoms is also related to its duration, for … Effect of COVID-19 on symptoms
exacerbations for subjects … percent (6%) of COVID-19 subjects had a worsened symptoms. …

… since symptom onset, duration of anosmia), other symptoms, physical signs, and outcome.
Usual descriptive statistics were used. Categorical variables were expressed as numbers, …

… the symptoms of patients presenting to our hospital with suspicion of COVID-19, and to compare
the symptoms … When we evaluated the cough symptom by age in our COVID-19 positive …

… symptoms that can assist physicians in identifying COVID-19 patients prior to diagnosis, we
next analyzed the association between symptoms … , with a mean duration of 23.5 ± 9.9 days, …

… The duration of symptom resolution in included COVID-19 cases appears to be longer
than that seen in community-acquired pneumonia caused by bacterial pathogens. Previous …