In a new study published in the journal JAMA Network Open, researchers found that 56% of the people who were infected with the Omicron variant of the SARS-CoV-2 virus had no idea that they had caught it.
In a new study published in the journal JAMA Network Open, researchers found that 56% of the people who were infected with the Omicron variant of the SARS-CoV-2 virus had no idea that they had caught it.