IQMaxx
Madmaxista
- Desde
- 8 Oct 2019
- Mensajes
- 3.469
- Reputación
- 13.175
Researchers deliberately infect participants with SARS-CoV-2 in ‘challenge’ trials — but high levels of immunity complicate efforts to test vaccines and treatments.
www.nature.com
![www.nature.com](https://media.nature.com/lw1200/magazine-assets/d41586-024-01284-1/d41586-024-01284-1_27039006.jpg)
Scientists tried to give people COVID — and failed
Researchers deliberately infect participants with SARS-CoV-2 in ‘challenge’ trials — but high levels of immunity complicate efforts to test vaccines and treatments.
![www.nature.com](https://www.nature.com/static/images/favicons/nature/apple-touch-icon-f39cb19454.png)