What test method will be used to diagnose symptomatic individuals, at risk individuals, and contacts in Tamil Nadu

In Tamil Nadu, symptomatic individuals, at-risk individuals, and contacts are primarily tested using the Reverse Transcription Polymerase Chain Reaction (RT-PCR) method. Here are the key points regarding the testing approach in Tamil Nadu:

• RT-PCR is considered the gold standard for diagnosing COVID-19 and is the most reliable method for detecting the presence of the SARS-CoV-2 virus in individuals.
• It involves collecting respiratory samples, such as nasal or throat swabs, from symptomatic individuals, individuals at risk (such as those with recent travel history or exposure to infected persons), and contacts of confirmed cases.
• The collected samples are then processed in a laboratory, where the genetic material (RNA) of the virus is extracted and converted into DNA.
• This DNA is then amplified through several cycles of PCR, allowing for the detection and quantification of the virus.
• RT-PCR is highly specific, meaning it accurately identifies the presence of the virus, and it can detect the virus during the early stages of infection.
• Test results are generally available within a few hours, enabling prompt identification and isolation of positive cases, which helps in controlling the spread of the virus.

It is important to note that the testing guidelines and procedures may vary over time and it is always advisable to refer to the most recent official information from the Tamil Nadu government or healthcare authorities for the most accurate and up-to-date details.