Prior to this study, scientists believed that earlier strains of the virus would create enough natural immunity for weeks and even months if you were unvaccinated. That's not entirely the case with omicron.
"Omicron compared other variants replicates to a lesser extent and causes less tissue damage as compared to the earlier strains. However, is not that it doesn't establish infection. It clearly establishes infection and elicits an immune response against the virus," said Dr.
Ott."The immunity is not set in stone. The immunity changes and unfortunately decreases over time. The other thing is that the variants that are now arising are actually selective based on their ability that it successful succumbents the immunity that is existing," said Dr. Ott.
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