Preliminary data, among a multitude that are being collected around the world, indicate that there is a reduction in immunity against the omicron variant among those who have the complete initial vaccination schedule (two or one dose, depending on the vaccine received) or who have passed the COVID-19 infection.
This may indicate - without being a categorical statement - that this variant can "evade" a person's immune system. "So far there is limited evidence available and it is not peer-reviewed on the efficacy or effectiveness of thevaccine against Omicron," the organization said in an update of the information gathered on this issue, which is at the center of concerns in the whole world. The WHO pointed out, however, that the evidence is stronger regarding the advantage that omicron has in spreading compared to the delta variant, since in countries where local transmission of the former has been detected, it is being observed that cases they double in 1.5 to 3 days. Omicron is spreading rapidly in countries with high levels of the immunized population and it is not yet clear whether this is due to evading immunity, being more easily spread, or a combination of both factors, according to those data. "Omicron is likely to outperform delta in community transmission scenarios," the WHO said. Omicron has so far been detected in 89 countries and the threat it will pose will become clear when scientists can confidently answer a series of key questions, such as how transmissible it is and how well current vaccines work or an infection previous covid protects from infection, transmission, serious illness or death. (EFE) Source:https://acortar.link/np22IT
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Octubre 2022
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