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Types of swabs that can be tested and the time period of getting positive results, highest peak reached, and time of fall
| Type of swab used for RT-PCR | Starts to peak from (day) | Highest levels detected | Starts to fall | |
|---|---|---|---|---|
| Nasal | Mid-turbinate swab | Day 1 | First week | Third week onwards |
| Anterior nares swab | ||||
| Oropharyngeal swab | Day 1 | First week | Third week onwards | |
| Rectal | End of first week | Second week | End of third week onwards | |
RT-PCR, reverse transcription-polymerase chain reaction
