A new study carried out using existing laboratory test data shows that people who had a positive PCR test for Covid-19 but a negative serology test, meaning that they did not produce detectable antibodies, still had a significant amount of protection from reinfection.
TB Gastric Aspirate
| Category | Bacteriology Medical Microbiology |
|---|---|
| Reporting frequency | TAT - Acid Fast Bacilli microscopy results available same day as receipt, culture within 42 days. |
Collection conditions
Use for bronchial alveolar lavage, gastric washings, fine needle aspirate, tissues and aspirates. Samples should be collected early in the morning (before breakfast) on 3 consecutive days and delivered to the lab ASAP to avoid acid deterioration of the sample
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