Hopes for ‘immunity passports’ dashed as experts slate antibody test
The UK has splurged on serology tests so people can get to work, but haven’t found one reliable enough
The prospect of “immunity passports” being issued to get people back to work has been dealt a blow after experts warned that antibody tests cannot guarantee someone is resistant to coronavirus infection.
The British government had said it hoped such testing kits, which show if someone has had Covid-19 and hopefully some form of antibody immunity, would play a vital role in helping to restore normal life. But an increasing number of scientists are warning that such tests do not prove someone is protected from infection, and there remains no way of establishing whether those with antibodies can still harbour coronavirus in their system or are capable of passing it on.
The World Health Organisation (WHO) has indicated there may be reason to doubt the hypothesis that people who have recovered from coronavirus automatically have immunity...