A study just published in the Centers for Disease Control and Prevention (CDC) Morbidity and Mortality Weekly Report (MMWR) has come to the conclusion that airport screenings for COVID-19 are not very effective.
The study focused on CDC efforts in US airports to screen travellers from January 17 to September 13, 2020.
A total of 766,044 travellers were screened and only nine people were found positive for the severe acute respiratory syndrome coronavirus 2 (SARS-CoV2). That translates to just 0.001% of everyone screened or about one out of every 85,000 people.
Experts say that symptom-based screening programmes are ineffective because COVID-19 has a wide range of non-specific symptoms common to other infections, and there are many asymptomatic cases.
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