How COVID Vaccines Exposed India’s Adverse Events Reporting System

Adverse events are among the most heavily scrutinised parts of the covid-19 vaccine process. But India’s adverse events reporting system was woefully unprepared for this, leaving families confused, sowing vaccine hesitancy in communities, while robbing the system of valuable data, reports Priyanka Pulla.

How COVID Vaccines Exposed India’s Adverse Events Reporting System

Around a week after she received her first dose of Covishield, the Indian version of AstraZeneca’s covid-19 vaccine, 20 year old Rijuta developed a blinding headache. On 2 June 2021, she was admitted to a large corporate hospital in Bhopal city, Madhya Pradesh. Imaging and blood tests revealed a clot in her brain, says her friend Ajay, while her platelet counts dropped precipitously.

Concerned, the family approached a reputable neurosurgeon for a second opinion. The neurosurgeon told the family that Rijuta’s symptoms were consistent with thrombosis with thrombocytopenia syndrome (TTS), the very rare adverse event that occurs between 0.5 and 6.8 times for every 100 000 jabs.1 “But she said that no one could confirm it,” Ajay told TheBMJ. When the family raised the possibility of Rijuta’s illness being linked to the vaccine with the doctors treating her, they dismissed the idea. Rijuta, who was studying for her bachelor’s degree in arts, died on 20 June.

Despite the strong evidence that existed by then that TTS could be caused by the AstraZeneca vaccine,2 the Bhopal hospital didn’t report Rijuta’s case to India’s covid-19 vaccine safety surveillance system. Ajay says Rijuta’s family couldn’t do so either because they didn’t know how to report it.

Rijuta’s case highlights just two of the many gaps that plague India’s covid-19 vaccine safety system: hospitals are failing to report adverse events following immunisation (AEFI), while patients and their families don’t know how to do it. But the system is also constrained by other problems, including the slow pace at which officials are investigating whether reported adverse events are due to vaccines and the non-communication of their findings with patients.

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This has left not only an incomplete picture of vaccine safety in India but also confusion among the families of the victims of serious AEFIs that result in death or prolonged hospitalisation.

Such a situation is likely to trigger vaccine hesitancy, says Gagandeep Kang, a public health microbiologist at the Christian Medical College, Vellore, who helped develop India’s first rotavirus vaccine. “For families to not even have acknowledgment of the reason they lost a child is callous,” she said.

Multitude of challenges

Among the hurdles facing the covid vaccine safety system is the difficulty in adapting India’s existing paediatric immunisation programme to adults. Before January 2021, the Indian government’s immunisation programme was aimed at children. So, when the country began vaccinating healthcare workers that month, the post-licensure safety surveillance system for children’s vaccines had to be modified for adult vaccines.

This system is three tiered. Once a hospital or healthcare provider voluntarily reports a serious AEFI, a district committee gathers all related data and sends them to a state committee. The state committee then investigates whether the AEFI is causally related to the vaccine, and sends the data to a national committee for verification. After verification, these data are supposed to go back to immunisers and vaccine recipients. This feedback loop is critical because it helps immunisers avoid errors and handle AEFIs better, while also bringing closure to victims of serious adverse events.

However, before the pandemic most of the experts sitting on state and national committees were paediatricians. When covid-19 vaccines were developed, the committees had to hurriedly recruit adult physicians, such as cardiologists and neurologists, and train them in causality assessments.

Furthermore, adult physicians have not been used to reporting vaccine adverse events. “Many of them may never have heard of AEFIs, they may not know where to report them,” said Jyoti Joshi Jain, who previously worked with New Delhi’s Immunisation Technical Support Unit, which advises the Indian health ministry on its immunisation programmes.

Even though the central government sent letters asking district officials to sensitise hospitals about reporting, “relatively fewer reports” are coming from India’s large private healthcare sector, said Satinder Aneja, who leads the national committee which investigates vaccine AEFIs. This data gap is significant, because over half of all Indians approach the private sector for treatment when they become ill.3

On top of this, the pandemic and the immunisation programme itself have stretched the safety system. The members of the national committee, for instance, not only continue to evaluate AEFIs arising from childhood immunisation but are also involved in covid policy making. Meanwhile, district immunisation officers have to meet high vaccination targets, while also pushing hospitals to report adverse events and collecting the necessary medical records to investigate them.

The net result is very low levels of reporting, delay in the collection of medical records, and slow causality assessments. As of 30 November 2021, the national committee had received 49 819 adverse events reports, according to a response filed by India’s health ministry in the country’s parliamentary upper house.4 By then, India had administered 1.23 billion vaccine doses, which means that Indian healthcare providers had reported only about four adverse events for every 100 000 doses. In contrast, the Canadian safety surveillance system received 48 reports for 100 000 doses until 3 December 2021,5 while the UK had received 300-700 per 100 000 doses up to 16 December 2021.6

Reporting rates for TTS are similarly low, with only 26 reports having reached the national committee so far. And the reports that do reach the national committee are investigated slowly. Of the 946 deaths reported up to November 2021, the committee had completed investigations for only 89. And of the 26 TTS cases by mid-December 2021, only six have been investigated at the time of writing, with five attributed to Covishield.

Aneja said the speed of investigation was hampered by how long it was taking states to send medical records and postmortem reports. Distinguishing between causally related and coincidental adverse events often requires sophisticated medical investigations, which aren’t always done by hospitals, especially in the chaos of the pandemic. “The safety system relies on the healthcare system, and the healthcare system itself has been overburdened and overwhelmed in the last two years,” she said.

Fixing the system

Many of the problems with India’s covid vaccine safety system were presaged by its paediatric vaccine safety system. In a 2017 paper, Jain and her colleagues described how the system had grown rapidly,7 but still suffered from considerable under-reporting. Against a global benchmark of at least 10 AEFI reports for every 100 000 live births, the country was then reporting only 4.2 AEFIs.

Asked how the system could be strengthened, a senior official, who requested not to be named, said there was an urgent need to facilitate self-reporting by patients and their families. A government body known as the Indian Pharmacopoeia Commission does allow patients to report drug and vaccine adverse reactions, but poor awareness of this service means that it hasn’t contributed much to AEFI reports. As of mid-December 2021, the commission had received only around 225 of the 49 819 reports, the official told The BMJ.

Another key intervention would be an active surveillance programme to identify rare events such as TTS and multisystem inflammatory syndrome. Compared with the current passive system, in which doctors can choose whether to report an adverse event, an active one would solicit such information from healthcare providers. Aneja says the Indian government has had plans to roll out an active surveillance system since 2020, but the exercise was taking time, given how resource intensive it was. She added that a self-reporting system was also expected to be up and running next year.

Aneja says that it is also necessary to supplement the national and state committees. Since India began its covid immunisation programme, the government has appointed a 30 member sub-committee dedicated to covid vaccine causality analysis, which supports the 27 member national committee. Even so, Aneja says, these committees cannot handle the large load of verifying causality assessments from across India in a short time. “We may need to decentralise and put in place 3-4 regional committees.”

The need for these interventions couldn’t be more urgent. With only half of India’s adults fully immunised, and the threat of omicron looming large, improving vaccination rates is crucial. And a few surveys8 show that hesitancy could be a significant barrier to this goal.

A strong safety system will also allow finer calculations of a vaccine’s benefit-risk ratio in specific age groups. For instance, on the basis of data showing that younger people had a higher risk of TTS and a lower risk of severe covid-19, the UK is now offering alternatives to AstraZeneca’s vaccine among healthy adults under 40.In December 2021 India opened up vaccinations to 15-17 year olds, among whom severe covid-19 is even rarer, making a sensitive safety surveillance system critical.10

Such a system will also prevent needless deaths due to vaccines, as in the case of TTS, where the right treatment can cut mortality. “We need to know that TTS is being recognised, because we know that recognising it allows for appropriate early treatment,” Kang says. With India’s slow rate of investigation into TTS, this information currently doesn’t exist.

Families left in the dark

In July 2021, Tamil Nadu based entrepreneur Venugopalan Govindan lost his 20 year old daughter, Karunya, after she became ill following her first Covishield jab. Karunya, who was studying for a masters degree in data science, was diagnosed with multisystem inflammatory syndrome, a condition that appears on the World Health Organization’s list of adverse events of special interest for covid vaccines.11 These events are so called because there is a theoretical possibility that they may occur after covid vaccination, although no evidence exists yet. For this reason, WHO advises that such events be monitored carefully.

When Karunya was admitted to hospital, Govindan suspected a link with the vaccine, but did not know where to report it. In desperation, he contacted the Serum Institute of India, the manufacturer of Covishield. The institute says it reported this information to a pharmacovigilance programme for manufacturers, which is supposed to forward the information to the covid vaccine safety system.

Aneja said that government policy was to communicate the results of causality analysis for all serious adverse events to recipients. Yet several state officials told The BMJ they were not aware of any such policy. “We only communicate the results to the district committee. There is no policy to tell patients,” Vinay Kumar, state immunisation officer for Tamil Nadu said. In any case, Govindan says he didn’t receive any updates on the information he submitted to the Serum Institute of India.

Frustrated, he has taken to social media to publicise his daughter’s story. His appeals were then heard by a senior official associated with the safety system, who collected Karunya’s medical records again. Eventually, on 29 October 2021, the official informed Govindan that the committee had classified the link between his daughter’s death and the vaccine as “indeterminate”—a term used when an adverse event occurs soon after vaccination, but there isn’t enough evidence to arrive at a causal link.

For other families, who didn’t go public with their stories, getting the results of causality analyses has proved harder, if not impossible. Govindan says several families have found it difficult to persuade doctors to report deaths in the first place. “No one knows that a reporting system exists. Even when someone knows, they have to be extremely persistent to get deaths registered.” Once reported, the system is “a black hole,” he adds, with no assurance that a case will be dealt with in a time bound manner. Also, India doesn’t currently have any countrywide compensation programme for vaccine related injury.

For Govindan, the entire situation is especially grating because Indian government officials have frequently miscommunicated the risk from covid vaccines in the last year. In their eagerness to promote vaccination, government officials often claimed that covid vaccines were completely safe,12 even though this statement isn’t true of any vaccine. Further, recipients were rarely counselled during their appointments about the small possibility of serious adverse events.

The entire experience has left Govindan and many of his family unwilling to take their second doses of vaccine. “Myself and my wife, who are single jabbed, are totally staying away from that poison. And so also my brother and his wife,” he says.

Footnotes

  • Competing interests: I have read and understood the BMJ policy on declaration of interests and declare the following interests: Reporting for this story was supported by a grant from the Thakur Family Foundation. The foundation exerts no editorial influence on the work.

References

  1. World Health Organization. Guidance for clinical case management of thrombosis with thrombocytopenia syndrome (TTS) following vaccination to prevent coronavirus disease (COVID-19). 19 Jul 2021. https://apps.who.int/iris/bitstream/handle/10665/342999/WHO-2019-nCoV-TTS-2021.1-eng.pdf.
  2. Wise J. Covid-19: Rare immune response may cause clots after AstraZeneca vaccine, say researchers. BMJ2021;373:n954. doi:10.1136/bmj.n954 pmid:33846162FREE Full TextGoogle Scholar
  3. National Family Health Survey (NFHS-4) 2015-16. International Institute for Population Sciences. Dec 2017. http://rchiips.org/nfhs/NFHS-4Reports/India.pdf.
  4. Ministry of Health & Family Welfare. Answer to Rajya Sabha unstarred question 1068. 7 Dec 2021. https://pqars.nic.in/annex/255/AU1068.pdf.
  5. Government of Canada. COVID-19 vaccine safety: Weekly report on side effects following immunization. Dec 2021.https://health-infobase.canada.ca/covid-19/vaccine-safety/archive/2021-12-10/.
  6. GOV.UK. Coronavirus vaccine—weekly summary of yellow card reporting. 24 Dec 2021. https://www.gov.uk/government/publications/coronavirus-covid-19-vaccine-adverse-reactions/coronavirus-vaccine-summary-of-yellow-card-reporting.
  7. Joshi J, Das MK, Polpakara D, Aneja S, Agarwal M, Arora NK. Vaccine safety and surveillance for adverse events following immunization (AEFI) in India. Indian J Pediatr2018;85:139-48. doi:10.1007/s12098-017-2532-9 pmid:29170922CrossRefPubMedGoogle Scholar
  8. Sarkar MA, Ozair A, Sing KK, Subash NR, Bardhan M, Khulbe Y. SARS-CoV-2 vaccination in India: Considerations of hesitancy and bioethics in global health. Ann Glob Health2021;87:124doi:10.5334/aogh.3530. CrossRefGoogle Scholar
  9. GOV.UK. JCVI advises on covid-19 vaccine for people aged under 40. https://www.gov.uk/government/news/jcvi-advises-on-covid-19-vaccine-for-people-aged-under-40.
  10. Hindu Bureau. 15-17 age group to get Covaxin from January 3. The Hindu 2021 Dec 27. https://www.thehindu.com/news/national/covaxin-only-vaccine-option-for-children-in-15-18-years-age-group-says-government/article38049387.ece.
  11. World Health Organization. Covid-19 vaccines: Safety surveillance manual. Monitoring and responding to adverse events of special interest (AESIS). 2020. https://www.who.int/docs/default-source/covid-19-vaccines-safety-surveillance-manual/covid19vaccines_manual_aesi.pdf.
  12. Pulla P. How Covaxin became a victim of vaccine triumphalism. Livemint 2021 May 27. https://www.livemint.com/science/news/how-covaxin-became-a-victim-of-vaccine-triumphalism-11622022760541.html.

Priyanka Pulla is a freelance journalist and Senior Assistant Editor for The Hindu. She tends to focus on the topics of science policy, health, medicine, agriculture, among others. This article was originally published on the British Medical Journal.

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1 COMMENT

  1. SAME TYPE OF THING HERE IN CANADA. IT IS UTTERLY DESPICABLE THAT YOU SO CALLED PROFESSIONALS ‘AND PEOPLE’ DO NOT NEVER QUESTION WHAT THE HECK IS GOING ON WITH THIS “VACCINATION PROGRAM”. AND TO THINK INDIA IS THE “MOTHERLAND OF SPIRITUALITY”. UNBELIEVABLE THAT SO FEW HAVE RETAINED THEIR COMMON SENSE AND ARE NOT AWARE OF THE “AGENDA” BY YES! YOU FRIENDLY BILL GATES “ONCE AGAIN, EH?” AND FAUCI AND SO ON. WELL YOU THOUGHTLESS PEOPLE ARE ON ONE SIDE, AND WE ~ YOU SO CALLED CONSPIRACY PEOPLE ~ HAVE OVER 100,000 MEDICAL SCIENTISTS, VIROLOGISTS, EPIDEMIOLOGISTS, AND OVER 2 MILLION HEALTH PROFESSIONALS OF ONE SORT OR ANOTHER “WHO DO KNOW”. THIS IS A PRE-PLANNED MEDICAL TYRANNY BY THE OLIGARCHS OF THE WORLD ~ A DEPOPULATION/CULLING PROGRAM THAT MANY OF YOUR GOVERNMENT OFFICIALS OF MOST EVERY COUNTRY ARE PERPETRATING DUE TO THE “THEORY” THAT “THERE ARE TOO MANY PEOPLE IN THE WORLD”. SUCH CRAP, SUCH NONSENSE ~ WAKE UP ~ THERE IS MORE SPACE ON THIS PLANET FOR 100 BILLION PEOPLE. YOU ARE BEING LED BY WHAT I TERM “A SUICIDE PROPAGANDA”. STOP BEING LAZY AND DO YOUR OWN RESEARCH ON THE INTERNET INSTEAD OF WATCHING TV LISTENING TO THE NEWS AND RADIO AND READING NEWSPAPER: ALL OF THOSE PUBLICATIONS ARE OWNED BY THE OLIGARCHS. GO AND SEE THE MILLIONS WHO HAVE ALREADY DIED FROM THESE “INJECTIONS” AND THE HALF A BILLION PLUS WHO HAVE HAD SERIOUS ADVERSE EVENTS SUCH THEY CAN NEVER WORK AGAIN IN THEIR LIFE. WE ON “OUR SIDE” HAVE OVER A THOUSAND LAWYERS WHO WITH THE SCIENTIFIC PROFESSIONALS MENTIONED ABOVE HAVE DEMYSTIFIED AND PROVEN WITHOUT A DOUBT NONE OF THE PCR TESTS WERE VALID, THAT THERE WAS NO COVID, THAT IT IS ALL A LIE FOR THE SINGULAR PURPOSE TO GET AS MANY OF YOU VACCINATED AS POSSIBLE. AND WE ARE BRINGING YOU ALL UPON NOTICE AND ACCOUNTABILITY “NOTICES” I.E. NOL’S AND WE WILL TAKE ALL OF YOU WHO PARTICIPATED IN GIVING THESE INJECTIONS TO COURT ~ INCLUDING THE MEDIA AND OTHER GOVERNMENT AND CORPORATE “ENFORCERS” INCLUDING THE JUDGES AND POLICE ~ AND CHARGING YOU WITH CRIMES AGAINST HUMANITY, TREASON AND MURDER IN NUREMBERG COURTS. SHAME ON YOU.~~~

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