Thursday, April 30, 2026

Unveiling the latest Covid-19 variant: Symptoms & insights

Covid-19 variant XEC may spread more easily than previous variants

Jarun Ontakrai/Shutterstock

A new covid-19 variant known as XEC is currently spreading worldwide, particularly in Europe. Initial evidence suggests that it might be more transmissible than earlier variants, but health professionals reassure that existing vaccines are effective against it. Here is what we have gathered about XEC so far.

Understanding the XEC Variant

XEC results from the fusion of two other SARS-CoV-2 variants, KP.3.3, and KS.1.1. Originating from the same lineage as omicron, XEC shares similar characteristics such as enhanced transmissibility and milder symptoms.

Discovery and Prevalence

XEC first emerged in August from covid-19 samples collected in Berlin. With over 600 reported cases across 27 countries, predominantly in Europe, XEC constitutes a growing percentage of sequenced samples. Detected in countries like the UK, Germany, and the US, XEC is steadily gaining presence globally.

Effects and Vaccine Efficacy

Symptoms caused by XEC mirror those of other covid-19 variants, and current vaccines are anticipated to provide protection against it. While uncertainties remain about its level of transmissibility, experts recommend vigilance and adherence to preventive measures.

Test Your Understanding

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Vocabulary List:
6 words · tap to reveal
ON

Accent

Transmissible/trænˈsmɪsəbl/adjective
Capable of being spread from one person to another.

Emerged/ɪˈmɜːrdʒd/verb
Came into view or became apparent.

Predominantly/prɪˈdɑːmɪnəntli/adverb
Mainly; for the most part.

Symptoms/ˈsɪmptəmz/noun
Physical or mental features indicating a condition or disease.

Vigilance/ˈvɪdʒɪləns/noun
The action or state of keeping careful watch for possible danger or difficulties.

Characteristics/ˌkɛrɪktəˈrɪstɪks/noun
Features or qualities that typically identify or distinguish something.

How much do you know?

What are the two SARS-CoV-2 variants that form the XEC variant?
KP.3.3 and KS.1.1
Omicron and Delta
Alpha and Beta
Gamma and Epsilon
Where did the XEC variant first emerge?
Berlin
London
Paris
New York
How many countries have reported cases of the XEC variant?
27
15
40
10
Which region has predominantly reported XEC cases?
Europe
Asia
North America
Africa
What do experts recommend regarding XEC and preventive measures?
Vigilance and adherence to preventive measures
No need for preventive measures
Stop vaccination efforts
Ignore the variant
Which other covid-19 variant is in the same lineage as XEC?
Omicron
Delta
Alpha
Beta
This question is required

Test Your Understanding

Start Quiz
Vocabulary List:
6 words · tap to reveal
ON
Accent
Transmissible/trænˈsmɪsəbl/adjective
Capable of being spread from one person to another.
Emerged/ɪˈmɜːrdʒd/verb
Came into view or became apparent.
Predominantly/prɪˈdɑːmɪnəntli/adverb
Mainly; for the most part.
Symptoms/ˈsɪmptəmz/noun
Physical or mental features indicating a condition or disease.
Vigilance/ˈvɪdʒɪləns/noun
The action or state of keeping careful watch for possible danger or difficulties.
Characteristics/ˌkɛrɪktəˈrɪstɪks/noun
Features or qualities that typically identify or distinguish something.

How much do you know?

What are the two SARS-CoV-2 variants that form the XEC variant?
KP.3.3 and KS.1.1
Omicron and Delta
Alpha and Beta
Gamma and Epsilon
Where did the XEC variant first emerge?
Berlin
London
Paris
New York
How many countries have reported cases of the XEC variant?
27
15
40
10
Which region has predominantly reported XEC cases?
Europe
Asia
North America
Africa
What do experts recommend regarding XEC and preventive measures?
Vigilance and adherence to preventive measures
No need for preventive measures
Stop vaccination efforts
Ignore the variant
Which other covid-19 variant is in the same lineage as XEC?
Omicron
Delta
Alpha
Beta
This question is required

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