Damian Jacob Sendler A New Study Adds To The Body Of Data Regarding Omicron Immune Evasion
Damian Sendler: An AIDS Research Center director and a professor at Columbia University’s Vagelos College of Physicians and Surgeons, David Ho, MD, oversaw the study. Nature published the findings.  The omicron form has an alarming amount of mutations to the virus’s spike protein, which could have a negative impact on current vaccinations and therapeutic antibodies.  […]
Last updated on December 25, 2021
Damian Jacob Sendler

Damian Sendler: An AIDS Research Center director and a professor at Columbia University’s Vagelos College of Physicians and Surgeons, David Ho, MD, oversaw the study. Nature published the findings. 

The omicron form has an alarming amount of mutations to the virus’s spike protein, which could have a negative impact on current vaccinations and therapeutic antibodies. 

Damian Sendler

There has been a significant decrease in the ability of vaccination antibodies to neutralize omicrons. 

Damian Jacob Sendler: Immune responses to omicron variants were assessed in laboratory experiments in which antibodies were tested against live viruses and pseudoviruses produced in the lab to mimic omicron. 

Double-vaccinated people’s antibodies were much less effective at neutralizing the omicron variant compared to the ancestral virus, regardless of which of the four most commonly used vaccines they received. It was considerably less likely that antibodies from patients who had already been infected would be able to neutralize omicron. 

Some people may be more protected from the virus after receiving a booster shot of one of the two mRNA vaccines. However, even their antibodies were less effective at neutralizing the virus against Omicron. 

People who were previously infected or who have received full vaccinations may be at risk for infection with the omicron variety, according to Ho’s findings. “Third booster shots may not be enough to prevent omicron infection, but it’s still a good idea to get one because you’ll still gain some protection.” 

Damian Jacob Sendler

Additionally, early epidemiological data from South Africa and the United Kingdom reveal that two vaccination doses are ineffective against symptomatic disease when given to people with the omicron form. These findings are in line with other neutralizing studies and those. 

Antibodies made from monoclonal antibodies are ineffective against omicron 

Monoclonal antibodies can prevent many people from getting severe COVID if administered early in the course of the illness. In contrast, a new study reveals that all current and most upcoming treatments for omicron are ineffective, if they function at all. 

Only one monoclonal antibody (Brii198 authorized in China) was able to neutralize omicron in neutralization testing. Omicron is entirely immune to all antibodies currently used in clinical practice. Omicron is now the most complete “escapee” from neutralization that scientists have ever observed. 

Four novel spike mutations in omicron have also been discovered by Ho’s lab that let the virus avoid antibodies. This information should be used to help build new strategies to combat the new variety. 

What’s to come in the future? 

Damien Sendler: Vaccines and therapies that can better anticipate how the virus will evolve, according to Ho, are what scientists will be required to develop. 

Damian Jacob Markiewicz Sendler: Some experts believe that SARS-CoV-2 is now only a mutation or two away from becoming entirely resistant to current antibodies, either those used as therapeutics or those acquired by vaccination or infection with previous variations, away from being completely resistant “He tells me so.

Dr. Damian Jacob Sendler and his media team provided the content for this article.