Track COVID-19 Vaccines Advancing Through Clinical Trials

Find the latest updates in this one-stop resource, including efficacy data and side effects of approved shots, as well as progress on new candidates entering human studies.

Written byThe Scientist
| 46 min read

Register for free to listen to this article
Listen with Speechify
0:00
46:00
Share

ABOVE: © ISTOCK.COM,
VLADIMIR MANDIC

The first COVID-19 vaccine candidate was administered during a clinical trial in March 2020, a triumph shared worldwide by all those working to overcome the deadly virus. A year later, there are almost 100 vaccines being tested in human trials, including new approaches to immunization whose development has been accelerated by the pandemic. Researchers are now working not just to prevent COVID-19 infections, but to prevent reinfection and address emerging variants as well.

Below, The Scientist rounds up those vaccine candidates that have advanced to clinical trials.

Editor’s note: The introduction of this story was updated on April 15, 2021.

DEVELOPER(S)

VACCINE METHOD

EVIDENCE

STATUS

Finlay Vaccine Institute/Pasteur Institute

Cuba, Iran

A conjugate vaccine composed of the receptor-binding domain of the SARS-CoV-2 spike protein connected chemically to a modified tetanus protein

The vaccine is known as Soberana-02 or FINLAY-FR-2.

A second Phase 3 trial is ...

Interested in reading more?

Become a Member of

The Scientist Logo
Receive full access to more than 35 years of archives, as well as TS Digest, digital editions of The Scientist, feature stories, and much more!
Already a member? Login Here
Illustration of a developing fetus surrounded by a clear fluid with a subtle yellow tinge, representing amniotic fluid.
January 2026

What Is the Amniotic Fluid Composed of?

The liquid world of fetal development provides a rich source of nutrition and protection tailored to meet the needs of the growing fetus.

View this Issue
Redefining Immunology Through Advanced Technologies

Redefining Immunology Through Advanced Technologies

Ensuring Regulatory Compliance in AAV Manufacturing with Analytical Ultracentrifugation

Ensuring Regulatory Compliance in AAV Manufacturing with Analytical Ultracentrifugation

Beckman Coulter Logo
Skip the Wait for Protein Stability Data with Aunty

Skip the Wait for Protein Stability Data with Aunty

Unchained Labs
Graphic of three DNA helices in various colors

An Automated DNA-to-Data Framework for Production-Scale Sequencing

illumina

Products

nuclera logo

Nuclera eProtein Discovery System installed at leading Universities in Taiwan

Brandtech Logo

BRANDTECH Scientific Introduces the Transferpette® pro Micropipette: A New Twist on Comfort and Control

Biotium Logo

Biotium Launches GlycoLiner™ Cell Surface Glycoprotein Labeling Kits for Rapid and Selective Cell Surface Imaging

Colorful abstract spiral dot pattern on a black background

Thermo Scientific X and S Series General Purpose Centrifuges

Thermo Fisher Logo