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What Is Contact Tracing? How Does It Stop The Spread of COVID-19?

Last Updated: 05/13/2020

As part of the State's plan to safely restart the economy, we are implementing a comprehensive contact tracing program.

For more information, visit the New Jersey Contact Tracing Information Page or see below:

What is Contact Tracing and How Does it Help?

Contact tracing is the process used to identify those who come into contact with people who have tested positive for many communicable diseases – such as measles, HIV, and COVID-19 – and is a long-standing practice in New Jersey and around the world.

Contact tracing goes hand in hand with testing. It is part of the process of supporting patients with suspected or confirmed infection.

Here's how it works:

  • When you test positive for COVID-19, in addition to providing you with support, the lab that tested you loads your test data onto the State's secure epidemiological surveillance system called the Communicable Disease Reporting and Surveillance System (CDRSS).
  • Your positive case is then shared with your Local Health Department, who will call you to determine close contacts that you may have spread the virus to.
  • A close contact is anyone who was within six feet of you for more than 10 minutes at least two days before your positive test if you didn't have any symptoms, or two days before your first symptom appeared.
  • Contact tracers – trained professionals from the community -- get in touch with your contacts to recommend next steps like self-quarantining and to share resources about how those people can get tested.
  • NOTE: You will remain anonymous and your contacts will NOT be told that it was you who tested positive.
  • Contacts are provided with education, information, and support to understand their risk, what they should do to separate themselves from others who are not exposed, how they should monitor themselves for illness, and the possibility that they could spread the infection to others even if they themselves do not feel ill.
  • Local Health Departments across New Jersey have been conducting contact tracing for COVID-19 since the State identified the first case on March 4. However, as the case count has grown, Local Health Departments need more help getting this critical job done.

For COVID-19, the ability to scale our contact tracing capacity is absolutely crucial to break the chain of transmission, slow community spread, and restart the economy.

Source: Governor's Remarks 5/12/20; https://nj.gov/governor/news/news/562020/approved/20200512a.shtml