Table. Characteristics of healthcare workers with severe acute respiratory syndrome coronavirus 2 reinfections, Brazil, 2020*.
| Characteristic | Healthcare worker |
|||
|---|---|---|---|---|
| 1 | 2 | 3 | 4 | |
| Underlying conditions |
None |
Chronic bronchitis |
None |
None |
| Hospitalized |
No |
No |
No |
No |
| Symptoms | ||||
| First infection | Fever, headache, chills, sneezing, coryza, and myalgia | Headache, cough, myalgia, odynophagy, coryza, diarrhea, and ageusia | Nasal congestion, coryza, cough, ageusia | Fever, headache, myalgia, coryza, dry cough, vomiting, and malaise |
| Second infection |
Headache, nasal congestion, odynophagia, ageusia, and anosmia |
Cough, myalgia, odynophagia, anosmia, and diarrhea |
Odynophagia, sneezing, coryza, diarrhea, ageusia, and anosmia |
Odynophagia, dry cough, myalgia, malaise, coryza, and headache |
| Cycle threshold values | ||||
| First infection† | E gene: 35.24; N gene: 40.12 | E gene: 31.8 | E gene: 35.15 | E gene: 34.80; RdRp gene: 39.86 |
| Second infection‡ |
E gene: 31.14; N gene: 31.3; RdRp gene: 32.58 |
E gene: 20.45; N gene: 20.52; RdRp gene: 22.65 |
E gene: 26.04; N gene: 26.88; RdRp gene: 28.40 |
E gene: 23.72; N gene: 23.48; RdRp gene: 25.67 |
| Time between symptom onsets, d | 55 | 170 | 131 | 148 |
*E gene, envelope gene; N gene, nucleoprotein gene; RdRp gene, RNA dependent RNA polymerase gene. †Real-time quantitative reverse transcription PCR selective for the envelope gene (2). ‡Nucleic acid amplification test using the GeneFinder COVID-19 Plus RealAmp Kit (OSANG Healthcare Co. Ltd., http://www.osanghc.com) (3).