‘Immunity Passports’ For Covid-19 May Lead to Discrimination, Intentional Infections: Scientists

Commuters wearing protective masks head to work amid the coronavirus disease (COVID-19) outbreak in Osaka, Japan in this photo taken by Kyodo Mandatory credit Kyodo/via REUTERS

Commuters wearing protective masks head to work amid the coronavirus disease (COVID-19) outbreak in Osaka, Japan in this photo taken by Kyodo Mandatory credit Kyodo/via REUTERS

Looking for ways out of the restrictive physical distancing measures imposed to control the spread of the novel coronavirus, several governments have suggested the use of ‘immunity passports’.

  • PTI
  • Last Updated: May 28, 2020, 11:46 AM IST

As countries scramble to stem the spread of COVID-19, the debate over ‘immunity passports’ is intensifying with some governments pushing for documents that certify a person immune and several experts saying the claim would not just be specious but also lead to discrimination and intentional cases.

With a vaccine several months, if not a year, away, the proposal for a document to certify that an individual has been infected and therefore immune to SARS-CoV-2, which causes the infection, is centre-stage of discussion as the world navigates its way out of the pandemic.

Looking for ways out of the restrictive physical distancing measures imposed to control the spread of the novel coronavirus, several governments, including Chile, Germany, Italy, the UK and the US, have suggested the use of ‘immunity passports’.

Individuals in possession of an ‘immunity passport’ could be exempt from physical restrictions and may return to work, school and daily life.

An ‘immunity passport’ is a certification that would mark an individual immune to SARS-CoV-2 infection, virologist Upasana Ray told PTI.

he rationale behind certifying people immune is the production and presence of antibodies against the virus, Ray,a senior scientist at the Kolkata-based CSIR-Indian Institute of Chemical Biology (IICB), explained.

India, however, has been more cautious in its approach. There is no evidence yet that a person infected with COVID-19 cannot get the infection again. There are reports from South Korea of re-infections, so providing ‘immunity passports’ on the basis of SARS-COv-2 antibodies in the blood isn’t feasible, Manoh Murhekar, director of ICMR’s National Institute of Epidemiology in Chennai, told PTI.

India allows travel for those who have the Aarogya Setu app installed on their phones — showing a green band declaring the person safe. This is based purely on self-declaration.

As cases of the novel coronavirus cross 5.6 million with more than 3,55,000 fatalities, the WHO has said there is no evidence to suggest that people who have recovered from COVID-19 and have antibodies are protected from a second infection.

In addition to the technical complexities, ‘immunity passports’ also pose regulatory and ethical concerns, said experts.

This idea of ‘immunity passports’ can lead to great difficulty in administrative implementation, and is likely tobe accompanied by widespread abuse in a variety of ways, especially for poor and underprivileged groups, said immunologist Satyajit Rath.

Writing in The Lancet, Alexandra L Phelan from Georgetown University Medical Center in the US noted that immunity passports would impose an artificial restriction on who can and can’t participate in social, civic, and economic activities. This might also create a perverse incentive for individuals to seek out infection.

This will especially apply to people who are unable to afford a period of workforce exclusion, compounding existing gender, race, ethnicity, and nationality inequalities, he said.

Such behaviour would pose a health risk not only to these individuals but also to the people they come into contact with,” he wrote.

In countries without universal access to healthcare, those most incentivised to seek out infection might also be those unable or understandably hesitant to seek medical care due to cost and discriminatory access, Phelan noted.

Adding to the discussion, IICB’s Ray asked what would happen to those negative for anti-SARS-CoV-2 antibodies.

There is no evidence that herd immunity will develop, she said, adding that the duration it would last is unknown even if it somehow does.

Herd immunity is a form of indirect protection from infectious disease that occurs when a large percentage of a population has become immune to an infection, whether through vaccination or previous infections.

“Shall we wait for these people to get infected and attain immunity to be able to get certified? This might also lead to discrimination, she added.

There is no evidence that all individuals would produce good quality antibodies, or that the neutralising antibodies that would protect them from re-infections.

She added that antibodies just like other proteins may not persist in the body for long. The IICB scientist explained that SARS-CoV-2 has many variants which differ at the genetic level. Another problem with ‘immunity passports’, Ray






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