In a brand new study printed within the journal JAMA Community Open, researchers discovered that 56% of the individuals who have been contaminated with the Omicron variant of the SARS-CoV-2 virus had no concept that they’d caught it. Whereas 90% of them have been asymptomatic, the opposite 10% attributed their signs to the widespread chilly or different infections.
Surprisingly, though consciousness about being contaminated with the Omicron variant was greater amongst well being care professionals in comparison with the overall inhabitants, it was nonetheless unusual.
Of their research, researchers from the Smidt Coronary heart Institute at Cedars Sinai evaluated 210 grownup contributors who had given their blood samples both proper earlier than or after the Omicron surge in Southern California from December 15, 2021, to Might 4, 2022. Their median age was 51. Solely 35% of the contributors have been males, whereas the opposite 65% have been ladies. Round 94% of them had been vaccinated.
The researchers then adopted up with the contributors by making them ship their well being updates by way of interviews and surveys. Out of those that had not too long ago developed Covid-19 antibodies, solely 44% of the contributors have been conscious of getting contaminated with the Omicron variant.
“Lack of knowledge of Omicron variant an infection, both owing to the relative absence of signs or lack of well timed testing, probably had a task in speedy transmission throughout the communities in Los Angeles County,” the researchers wrote of their paper. “We additionally noticed that youthful and male people have been extra more likely to be extra conscious of latest Omicron variant an infection.”
Based on previous studies, undiagnosed Covid-19 infections — whether or not they have been asymptomatic or not — made up no less than 50% and as much as 83% of all infections that occurred within the basic inhabitants throughout the first 6 months of the COVID-19 pandemic. Regardless of this, till July 2022, the Omicron variant and different variants of the coronavirus claimed no less than 4,390 lives this 12 months — making it one of many main causes of loss of life in Southern California.
In a press launch, Susan Cheng, lead creator of the research and a heart specialist at Cedars-Sinani stated, “We hope folks will learn these findings and assume, ‘I used to be simply at a gathering the place somebody examined constructive,’ or, ‘I simply began to really feel a bit below the climate. Perhaps I ought to get a fast check.’ The higher we perceive our personal dangers, the higher we can be at defending the well being of the general public in addition to ourselves.”
Nevertheless, the researchers famous that the small pattern measurement of this research has restricted information to establish and detect the varied components concerned in creating consciousness concerning the Omicron variant’s an infection charges. They additional added that bigger research are required to evaluate potential components.