Chart & Stethoscope

Patient-Led Research

reAct 19 is a research focused grassroots organization made up of patients, scientists and physicians. Working to increase our understanding in the role of Covid-19 in those who experience systemic and prolonged symptoms, after acute infection or after vaccination. 

Current Research 

Review our current patient-led research projects

Scientific Publications

Collection of the emerging science, 

peer-reviewed studies

Who We Are

Patients, scientists, and physicians taking action. Connecting research and patients.

Contact us

Researchers, and Patients: Contact us

Our Mission

To collaborate with physicians, researchers and research institutions around the globe in an effort to increase understanding behind the symptoms of those suffering  Post-Covid and/or post Covid vaccines. 


Retrospective Survey

Patient-Led Survey for all patients, Post-Covid or post vaccination. This will evaluate persistent symptoms and how they evolve, improve, or get worse over time. 

Symptoms Tracker - Starting Day 0-45

Patient-led survey for those who are within day 0-45 post Covid infection, or after covid vaccination. This in-depth survey will track evolution of symptoms in patients monthly for 3-6 months.  

Monoclonal Antibodies Symptoms Tracker

Currently Enrolling Contact Us to Learn More...

 Track symptoms starting day 0-7, weekly then monthly, in patients who have received monoclonal antibody treatment, after suffering lasting effects from Post-Covid and/or post-vaccine.

Participants will submit updates to their symptoms weekly then monthly 2 to 3 months. To participate, you must have a prior infection of Covid and identify as a long-hauler, OR are experiencing lasting symptoms after receiving the Covid vaccine. 


Emerging Science

A collection of studies related to all things Covid.