Deaths By 'Unknown Causes' On National Health Mission Portal 2X Official Covid Toll
The latest data from the National Health Mission point to the potential scale of missed Covid-19 deaths. In May 2021 alone, the portal showed over 300,000 more deaths compared to May 2019, which is 2.5 times the official Covid death toll for May.
Chennai: A spate of deaths from "fever" and "unknown causes" tore through rural India in April and May this year, coinciding with India's second Covid-19 wave, new official data show. While deaths from clinically diagnosed respiratory infections surged too, the spurt of undiagnosed deaths points to the scale of potential undercounting of Covid-19 deaths in India.
The latest data are from the National Health Mission's (NHM) Health Management Information System (HMIS), and show nearly 300,000 more deaths in May 2021 compared to May 2019, which is more than 2.5 times India's official Covid-19 death count for the same period.
Estimating the scale of undercounting
India's official Covid-19 death toll is widely regarded to be an underestimate of the real toll. For reasons that are partly institutional and partly particular to the pandemic, official statistics are missing many Covid-19 deaths. To estimate the scale of excess mortality during the pandemic, journalists and researchers have turned to data from India's Civil Registration System (CRS) to calculate the difference between deaths from all causes registered in 2020 and 2021, and those registered in 2019 and other pre-pandemic years, IndiaSpend reported in June 2021. However, the data are incomplete, and limited to officially registered deaths. We have been piecing together the true picture from the limited states for which data are available.
One other official source of data could provide further clues. The National Health Mission's (NHM) Health Management Information System (HMIS) is an administrative portal that aggregates data from around 200,000 health facilities across the country. These are predominantly public facilities in rural areas, but also include some private and urban facilities. The health facilities include sub-centres (serving 3,000-5,000 people), primary health centres (serving 20,000-30,000 people), community health centres (serving 80,000-120,000 people), sub-divisional hospitals and district hospitals.
Each facility is supposed to upload monthly data on over 500 indicators to the NHM's HMIS portal. However, states function at different levels of ability to provide health services and collect data. Bihar, for instance, recorded under 17,000 deaths in 2019, while the CRS, tasked with registering all births and deaths, estimates that nearly 700,000 people died in the state that year. States such as Kerala, Tamil Nadu, Maharashtra and Gujarat, which had fewer actual deaths in 2019 than Bihar, recorded many more deaths than Bihar in the HMIS portal.
These numbers, moreover, are far from showing the full picture. In a 'normal' pre-pandemic year, for instance 2019, the NHM's HMIS registered around 2,640,000 deaths, or less than a third of all deaths that would have taken place in the country that year, when checked against CRS estimates. This is because the NHM typically misses most deaths in urban areas and in private hospitals, an official associated with the HMIS told IndiaSpend, asking not to be named as they were not authorised spokespersons.
Yet, these limited HMIS data show a big increase in deaths recorded within the NHM system in April and May 2021. Every month on average in 2019, these facilities reported 200,000-220,000 deaths from across the country. In April 2021, this rose to over 310,000 deaths for the first time in recent recorded history. In May 2021, the number of deaths shot up further to 511,000, over twice the usual monthly deaths of any recent month, a 175% increase compared to May 2020 and a 150% increase over May 2019.
Difference 2.5 times the official Covid-19 death toll
The break-up of recorded deaths by cause could be of particular concern. Of the over 492,000 adult deaths recorded in May 2021 (excluding infant, child and maternal deaths), over 250,000 were from "causes not known". The biggest increases over a similar period in pre-pandemic times were in deaths from "fever" and "respiratory diseases".
"In the absence of other information, these deaths should all be considered as Covid-19 deaths, particularly in a month like May where we will not expect deaths from malaria or similar vector-borne diseases that present with a fever," Yogesh Jain, a public health physician in rural Chhattisgarh, and one of the founding members of the Jan Swasthya Sahyog group, told IndiaSpend.
While the data in the NHM's HMIS miss much of what goes on in private hospitals, they give an insight into many patients in rural areas for whom a local government facility would usually be the first port of call, T. Sundararaman, former executive director of the National Health Systems Resource Centre, a technical assistance body under the NHM, told IndiaSpend. Data on deaths in the HMIS database are captured not just through deaths that take place at these facilities, but also through the wide network of auxiliary nurse midwives, who gather information on deaths at the village level from the community they interact with, said Sundararaman.
HMIS data are also at odds with the official death toll from Covid-19. In May 2021 alone, the NHM system showed over 300,000 more deaths than in normal months (May 2019), which is 2.5 times the official Covid-19 death toll of 120,072 in May 2021.
The numbers also show a significant increase in maternal mortality in May 2021, particularly from undefined or unknown causes. The NHM's HMIS records nearly 3,000 maternal deaths in May 2021, an over 82% increase over maternal deaths reported in May 2019.
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