COVID outbreak in South Korea presumably linked to residence air flow system


The coronavirus might have unfold via the air flow system at an residence complicated in South Korea the place a number of residents from completely different households grew to become contaminated, in keeping with a examine.

The cluster was investigated after a sequence of recent COVID-19 instances have been recognized in August on numerous flooring of the residential complicated in Seoul, in keeping with the paper within the Worldwide Journal of Infectious Ailments.

On Aug. 23, a girl dwelling on the sixth flooring examined constructive, adopted by her husband and daughter.

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The following day, a baby who lived within the unit just under went to the hospital for a urologic downside and likewise examined constructive for the virus, researchers wrote.

When yet one more lady who lived immediately beneath them on the fourth flooring was identified with COVID-19, well being officers determined to check all 437 residents.

The mom of the contaminated little one additionally examined constructive, together with two extra residents who lived in models immediately above them on the tenth and eleventh flooring, researchers mentioned.

Two extra instances have been then present in different models on the second and eleventh flooring of the tower.

These models aren’t immediately above or beneath the others, however are on the identical vertical line as one another and do share the identical air flow system, researchers mentioned.

“All sufferers reported that they aren’t acquaintances of one another and denied a historical past of interpersonal contact,” researchers wrote.

Researchers mentioned it’s doable that the virus unfold via shared areas, corresponding to elevators.

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However they famous that each one the contaminated residents had reported sporting masks outdoors their flats — and two had denied even utilizing the elevators.

Additionally they identified that “among the many residents of over 200 households who might use the identical elevators, all of the sufferers have been present in solely two vertical strains of the constructing.”

“Every line was linked via a single air duct within the rest room for pure air flow,” researchers wrote.

“Our investigation discovered no different doable contact between the instances than the airborne an infection via a single air duct within the rest room.”

Researchers, nevertheless, notice that there have been some limitations to the examine since they have been unable to take air samples.

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However the findings recommend that extra analysis is warranted into the potential danger.

“Extra folks might have to remain indoors through the pandemic to keep away from interpersonal contact,” researchers concluded.

“Nevertheless, some could also be uncovered to viral an infection by inhalation as a consequence of insufficient air flow techniques.”

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