JN.1, the New Subvariant that Impacts the US

The JN.1 Subvariant of the Coronavirus: An Emerging Challenge for Global Health

The World Health Organization (WHO) has included the JN.1 subvariant of the coronavirus in its list of "variants of interest," highlighting its rapid spread. Although it is considers that the additional risk to public health is low, its presence is marking a significant increase in COVID-19 cases, especially in the United States. In this article, we'll explore the Origin, characteristics, symptoms, and the response of health authorities in the face of the emergence of JN.1.

Ivan Rodriguez Gelfenstein

JN.1 is descended from the BA.2.86 variant, also known as Pirola, which attracted worldwide attention for its more than 30 changes in the beak. Although fears that it could evade the protection of the vaccines did not materialized, BA.2.86 persisted and ushered in the emergence of JN.1, a subvariant that is rapidly becoming the strain of the virus.

Despite sharing genetic similarities with its predecessor, JN.1 presents Just one more change in its spike protein, which has proven to be enough to make it a faster and more contagious strain. Although the WHO notes that the risk to public health is low in compared to other subvariants, the rapid spread of JN.1 is generating concern, especially in the United States, where accounts for about 20% of new COVID-19 cases.

JN.1 is not only affecting the United States, but it is also spreading rapidly in several countries in Europe, Australia, Asia and Canada, causing a significant increase in hospitalizations. The Experts They warn that it is likely to become the leading variant at the level of in the coming weeks, highlighting the need for a coordinated at the international level.

Symptoms and Medical Response:

Symptoms associated with JN.1 show no significant differences in compared to other variants, including fever, cough, shortness of breath, and fatigue. However, the quick Spread of the subvariant, especially during the winter season In the Northern Hemisphere, the burden of respiratory infections could increase in many countries.

Despite the increase in the circulation of JN.1, the Centers for Monitoring and The U.S. Centers for Disease Control and Prevention (CDC) ensure that current vaccines against COVID-19, designed to tackle the XBB family of variants, they are still effective. A recent study supports the effectiveness of existing vaccines against BA.2.86 and its derivatives, including JN.1, offering crucial protection amid the expansion of the subvariant.

The JN.1 subvariant of the coronavirus represents an emerging challenge for the global health, with its rapid spread raising concerns in different regions of the world. Although the risks to public health are considered low, the and effective response are essential to contain its progression, and protect the population.

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