Covid-19
- Dr.Roey Tsezana
- April 3, 2021
The new claim that has recently been circulating on social media is that among the vaccinated, the level of antibodies in the blood drops in a short time - and thus people find themselves exposed to the virus a second time. We checked whether this is true (in ten percent of cases) and whether it means that the person is no longer vaccinated (no)
![The first-ever structure of the main protease enzyme of the SARS-CoV-2 virus obtained by neutron scattering revealed an unexpected electrical charge in the amino acids cysteine (negative) and histidine (positive), a result that provides important information about the virus's replication mechanism [courtesy: Jill Hemman/ ORNL, US Dept. of Energy]](https://www.hayadan.org.il/images/content3/2020/11/20-G01620_Protease_PR_proof21.jpg.webp)
- Dr. Moshe Nahamani
- November 4, 2020
- 3 תגובות
In order to better understand how the new corona virus behaves and how its spread can be stopped, scientists were able to obtain the three-dimensional map that reveals the position of each and every atom in the molecule of the enzyme essential for the replication of the SARS-CoV-2 virus