COVID: The 7 keys you should know about the omicron variant

Omicron is a variant most infectious and it already predominates in several countries. According to the Centers for Disease Control and Prevention (CDC) “Viruses are constantly changing through mutations and these mutations usually give rise to a new variant of the virus.

The CDC reports that “some variants appear and then disappear, while other variants persist. New variants will continue to appear“.

But what are the characteristics of omicron?


This variant of the coronavirus it is four times more contagious than its predecessor Delta, according to the Ministry of Health.

2.- Incubation

Unlike its predecessors, this variant incubates over a period of three days.That is, after contact with an infected person you begin to have symptoms after those days have elapsed.


Cloth face masks are not enough to prevent the spread of this variant, it is best to use a high quality one (triple layer or KN95).

4.- Symptoms

The symptoms caused by the omicron variant are very similar to those of a common cold: headache, runny nose, cough and general tiredness.


According to the SSJ, COVID-19 infection by the omicron variant could be less severe than the delta variant, but more data is needed and the WHO warns that This variant should not be considered as “mild”.

“All variants of COVID-19 can cause serious illness or death“.

6.- Prevention

To protect yourself against omicron, the basic measures that have been in place since the start of the pandemic are recommended: avoiding crowds, maintaining interpersonal distance and wearing a mask are essential. But nevertheless, Vaccination plays a fundamental role in preventing serious disease from this variant.

“The coronavirus vaccines do not prevent you from contracting COVID-19 due to the Omicron variant, but they reduce the risk of complications and make the disease milder in most people.”

7.- Immunity

On immunity, the WHO reports that preliminary evidence suggests that a previous infection may offer less protection against omicron compared to other variants of concern, such as delta.

Take note


-Throat pain


-Congestion or runny nose (rhinorrhea)


-Chest pain

-Difficulty breathing

-Low oxygenation (below 90, measure with oximeter)


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