06 January 2022
: Case report
A 48-Year-Old Previously Healthy Man Presenting with Acute Respiratory Distress Syndrome (ARDS), Negative Tests for SARS-CoV-2, and Positive Serology for Parainfluenza Virus Type 3 (PIV-3)
Challenging differential diagnosis, Rare disease
Ryuichiro KakizakiDOI: 10.12659/AJCR.934362
Am J Case Rep 2022; 23:e934362
Table 3. The results of parainfluenza virus antibody titer for the serum specimens.
| Day 2 | Day 16 | |
|---|---|---|
| PIV-1 | <10 | <10 |
| PIV-2 | 20 | 40 |
| PIV-3 | 40 | 160 |






