COVID-19 has been shown to spread on airplanes even among asymptomatic travelers, according to a new study from the Centers for Disease Control and Prevention.
The study, which was published in the journal Emerging Infectious Diseases, found evidence of transmission on an evacuation flight from Milan, Italy, to Seoul, South Korea in late March.
Before boarding the flight, around 300 passengers were screened for virus symptoms and given an N95 mask, researchers said.
When the passengers arrived, they were quarantined by the government for two weeks and regularly tested, according to the study
Six of the travelers — who were asymptomatic — tested positive at the start of the quarantine, researchers said.
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