14 February 2022
: Case report 
Recurrent COVID-19 Polymerase Chain Reaction (PCR) Positivity in 2 Patients During the Current Health Care System Crisis
Challenging differential diagnosis, Diagnostic / therapeutic accidents, Educational Purpose (only if useful for a systematic review or synthesis)
Anna Radlińska1ADEFG*, Ewelina Drytkiewicz2BCD, Mateusz Patyk3DE, Anna Zaleska1AC, Anna Dor-Wojnarowska1CDFDOI: 10.12659/AJCR.935414
Am J Case Rep 2022; 23:e935414
Table 1. The man’s clinical symptoms in relation to RT-PCR results and anti-SARS-CoV-2 antibodies.
| 3 Apr | 4 Apr | 5 Apr | 6 Apr | … | 10 Apr | 11 Apr | 12 Apr | … | 18 Apr | … | 22 Apr | … | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Body temperature | 34.5 | 35.5 | ||||||||||||||
| Confusion | ||||||||||||||||
| Dry cough | • | • | ||||||||||||||
| Anosmia | • | • | • | • | ||||||||||||
| Ageusia | • | • | • | • | ||||||||||||
| Fatigue | • | • | ||||||||||||||
| RT-PCR test result | Inc. | Pos. | ||||||||||||||
| Serum antibody (titer) | ||||||||||||||||
| 27 Apr | 28 Apr | … | 9 May | … | 3 Jul | … | 22 Jul | … | 30 Jul | … | 20 Aug | |||||
| Body temperature | 36 | 35.5 | ||||||||||||||
| Confusion | • | • | • | • | ||||||||||||
| Dry cough | ||||||||||||||||
| Anosmia | • | • | ||||||||||||||
| Ageusia | • | • | ||||||||||||||
| Fatigue | • | • | • | • | • | • | • | |||||||||
| RT-PCR test result | Neg. | Neg. | Pos. | Neg. | ||||||||||||
| Serum antibody (titer) | 1000 | 1000 |