translated from Spanish: 25% of the population has been exposed to Sars-Cov-2: survey

In Mexico, 25% of the population has been exposed to SARS-COV2 virus, according to preliminary results from the National Health and Nutrition Survey (Ensanut COVID-19).
At a press conference, Juan Rivera, director of the National Institute of Public Health, explained that the exercise consisted of measuring «whether people had specific antibodies for SARS-COV2», to which 24.8% tested positive after obtaining blood samples that were then processed in the laboratory.
Read more Lower income and increased anxiety: this is how CDMX households face COVID
The survey, he detailed, was conducted in 9,400 households, between August and November 2020, in which 7,98 blood samples were obtained.
Of the 25% of people who tested positive for 70% antibodies had no symptoms; 10% only some, but not all that are required to detect COVID-19, and 20% did have symptoms.

According to preliminary results from the ENSANUT survey, conducted from August to November, 70% of patients with positive results to the virus had no symptoms.
— Political Animal (@Pajaropolitico) December 16, 2020

«That means most of us are asymptomatic so we could continue to spread the virus, so it’s important to follow the recommended measures,» he said in presenting the preliminary results.
You may be interested: Why should you continue to wear a mask even after you get the COVID-19 vaccine? 
The official warned that neither the 75% that tested negative, nor 25% of the positives are immune to COVID-19, as there is a chance of reinfection, so he asked not to let his guard down.
On December 15, Mexico accumulated a total of 115 thousand 99 deaths per COVID-19, according to health authorities. 
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Original source in Spanish

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