It was once thought 'immunity passports' would be the golden ticket to travel the world. But experts are now sounding the alarm against them.
Remember all the hype about so-called "immunity passports" getting the travel world back on track?
Immunity passports may appear a good plan in principle, but experts are now sounding the alarm against them.Much ado was made when air carrier Emirates began trialing antibody finger-prick tests to a small subset of passengers in March. But when accuracy rates were found to be around 30%, the Dubai Health Authority, which had been administering the tests,Think 30% is low? It gets worse.
If the tests become more reliable, immunity passports may become reality. But it is more likely that we will have to wait until we have a vaccine.Unsurprisingly, erroneous results can have profound ramifications. Anpublished by the Johns Hopkins Bloomberg School of Public Health on April 22 states: "A false negative may prevent an individual from returning to work; a false positive might lead to an epidemic chain.
The World Health Organization issued a brief in late April stating there is no evidence that those infected with Covid-19 are protected against a second infection. Two days later, however, it clarified in a tweet that it expects antibodies to provide "some level of protection." "If the tests become more reliable, immunity passports may become reality," said Hoffman. "But it is more likely that we will have to wait until we have a vaccine."
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