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Tuesday, May 26, 2020

Official counts understate the US coronavirus death toll

Across the United States, even as coronavirus deaths are being recorded in terrifying numbers — many hundreds each day — the true death toll is likely much higher.

By: New York Times | Published: April 6, 2020 10:34:21 am
With no uniform system for reporting coronavirus-related deaths in the United States and a continued shortage of tests, some states and counties have improvised.(The New York Times/File)

(Written by Sarah Kliff and Julie Bosman)

A coroner in Indiana wanted to know if the coronavirus had killed a man in early March but said that her health department denied a test. Paramedics in New York City say that many patients who died at home were never tested for the coronavirus, even if they showed telltale signs of infection.

In Virginia, a funeral director prepared the remains of three people after health workers cautioned her that they each had tested positive for the coronavirus. But only one of the three had the virus noted on the death certificate.

Across the United States, even as coronavirus deaths are being recorded in terrifying numbers — many hundreds each day — the true death toll is likely much higher.

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More than 9,400 people with the coronavirus have been reported to have died in this country as of this weekend, but hospital officials, doctors, public health experts and medical examiners say that official counts have failed to capture the true number of Americans dying in this pandemic. The undercount is a result of inconsistent protocols, limited resources and a patchwork of decision-making from one state or county to the next.

In many rural areas, coroners say they don’t have the tests they need to detect the disease. Doctors now believe that some deaths in February and early March, before the coronavirus reached epidemic levels in the United States, were likely misidentified as influenza or only described as pneumonia.

With no uniform system for reporting coronavirus-related deaths in the United States and a continued shortage of tests, some states and counties have improvised, obfuscated and at times backtracked in counting the dead.

“We definitely think there are deaths that we have not accounted for,” said Jennifer Nuzzo, a senior scholar at the Johns Hopkins University Center for Health Security, which studies global health threats and is closely tracking the coronavirus pandemic.

Late last week, the Centers for Disease Control and Prevention issued new guidance for how to certify coronavirus deaths, underscoring the need for uniformity and reinforcing the sense by health care workers and others that deaths have not been consistently tracked. In its guidance, the CDC instructed officials to report deaths where the patient has tested positive or, in an absence of testing, “if the circumstances are compelling within a reasonable degree of certainty.”

In infectious outbreaks, public health experts say that under typical circumstances it takes months or years to compile data that is as accurate as possible on deaths. The reporting system during an epidemic of this scale is particularly strained. And while experts say they believe that virus-related deaths have been missed, the extent of the problem is not clear.

But as mayors and governors hold daily news conferences reporting the latest figures of infections and deaths related to COVID-19, Americans have paid close attention to the locations and numbers of the sick and dead — one of the few metrics available for understanding the new and mysterious disease threatening their communities.

Public health experts say that an accurate count of deaths is an essential tool to understand a disease outbreak as it unfolds: The more deadly a disease, the more aggressively authorities are willing to disrupt normal life. Precise death counts can also inform the federal government on how to target resources, like ventilators from the national stockpile, to the areas of the country with the most desperate need.

For families who have lost a loved one in the midst of this epidemic, there is an urge simply to know: Was it the coronavirus?

Lingering Questions

As the coronavirus outbreak began sweeping across the country last month, Julio Ramirez, a 43-year-old salesman in San Gabriel, California, came home from a business trip and began feeling unwell, suffering from a fever, cough and body aches. By the next day, he had lost his sense of taste and smell.

His wife, Julie Murillo, took him to an urgent care clinic several days later, where he was so weak he had to be pushed in a wheelchair. Doctors prescribed antibiotics, a cough syrup and gave him a chest X-ray, but they did not test for the coronavirus, she said. Just over a week after he returned from his trip, Murillo found him dead in his bed.

“I kept trying to get him tested from the beginning,” Murillo said. “They told me no.”

Frustrated, Murillo enlisted friends to call the CDC on her behalf, urging a post-mortem test. Then she hired a private company to conduct an autopsy; the owner pleaded for a coronavirus test from local and federal authorities.

On Saturday afternoon, 19 days after the death, Murillo received a call from the Los Angeles County Department of Public Health, she said. The Health Department had gone to the funeral home where her husband’s body was resting and taken a sample for a coronavirus test. He tested positive.

In a statement, the health department said that post-mortem testing has been conducted on “a number of cases” but did not provide specifics or comment on Ramirez’s case.

The work of counting deaths related to the virus falls to an assortment of health care providers, medical examiners, coroners, funeral homes and local health departments that fill out America’s death certificates. The documents typically include information on the immediate cause of death, such as a heart attack or pneumonia, as well as on any underlying disease. In coronavirus cases, that would be COVID-19.

The federal government does not expect to produce a final tally of coronavirus deaths until 2021, when it publishes an annual compilation of the country’s leading causes of death.

A New York Times tally of known COVID-related deaths, based on reports from state and local officials, showed 9,470 deaths as of Sunday. On Friday, the National Center for Health Statistics, part of the CDC, began publishing preliminary estimates of coronavirus deaths, although a spokesman said that information would have a “lag of 1-2 weeks.” Its first estimate noted 1,150 deaths, based on the number of death certificates that included COVID-19 as an underlying disease.

“It is not a ‘real time’ count of COVID deaths, like what the states are currently reporting,” Jeff Lancashire, a spokesman for the National Center for Health Statistics, said.

But those who work with death certificates say they worry that relying only on those documents may leave out a significant number of cases in which the coronavirus was confirmed by testing but not written down in the section where doctors and coroners are asked to note relevant underlying diseases. Generally, certificates require an immediate cause and encourage — but do not require — officials to take note of an underlying disease.

Then there are the many suspected cases.

Susan Perry, the funeral director from Virginia, said that she was informed by health workers and families that three recently deceased people had tested positive for the virus so that she and her staff could take necessary precautions with the bodies. Only one death certificate mentioned the virus.

“This probably happens all the time with different diseases, but this is the first time I’m paying attention to it,” Perry said. “If we don’t know the numbers, how are we going to be able to prepare ourselves and protect ourselves?”

“Now We’re Having the ‘Aha!’ Moment”

Early in the U.S. outbreak, virus-linked deaths may have been overlooked, hospital officials said. A late start to coronavirus testing hampered hospitals’ ability to detect the infection among patients with flulike symptoms in February and early March. Doctors at several hospitals reported treating pneumonia patients who eventually died before testing was available.

“When I was working before we had testing, we had a ton of patients with pneumonia,” said Geraldine Ménard, chief of general internal medicine at Tulane Medical Center in New Orleans. “I remember thinking it was weird. I’m sure some of those patients did have it. But no one knew back then.”

An emergency department physician in San Francisco recalled two deaths that were probably caused by the coronavirus but not identified as such. One patient died at home; a relative in the same home later tested positive for the virus. Another patient was an older man who came to the hospital with typical coronavirus symptoms and who had been in contact with someone recently traveling to China but arrived at the hospital before testing was available.

In New York City, emergency medical workers say that infection and death rates are probably far higher than reported. Given a record number of calls, many ambulance crews have encouraged anyone not critically ill to stay home. The result, medics say, is that many presumed coronavirus patients may never know for sure if they had the virus, so any who later die at home may never be categorized as having had it.

Across the country, coroners are going through a process of reevaluation, reconsidering deaths that occurred before testing was widely available. Coroners and medical examiners generally investigate deaths that are considered unusual, result from accidents or suicides, or occur at home.

Joani Shields, the coroner in Monroe County, Indiana, said she wondered about a man diagnosed with pneumonia who died in early March.

A coronavirus test was requested at the time, but the local health department denied it, Shields said, on the grounds that the supply of tests was too limited.

“I wish we could have tested him,” she said.

In Shelby County, Alabama, Lina Evans, the coroner, said she was now suspicious of a surge in deaths in her county earlier this year, many of which involved severe pneumonia.

“We had a lot of hospice deaths this year, and now it makes me go back and think, wow, did they have COVID? Did that accelerate their death?” she said.

Evans, who is also a nurse, is frustrated that she will never know.

“When we go back to those deaths that occurred earlier this year — people who were negative for flu — now we’re having the ‘aha!’ moment,” she said. “They should have been tested for the coronavirus. As far as underreporting, I would say definitely.”

Disparate Reporting, More Waiting

Even now, as testing is more widely available, there is a patchwork of standards about information being reported by state and local health officials on deaths in the United States.

Around the world, keeping an accurate death toll has been a challenge for governments. Availability of testing and other resources have affected the official counts in some places, and significant questions have emerged about official government tallies in places such as China and Iran.

In the U.S., uncertainties and inconsistencies have emerged, and health departments have had to backtrack on cases of previously reported deaths. Florida officials rescinded an announcement of a COVID death in Pasco County. In Hawaii, the state’s first announced coronavirus death was later recategorized as unrelated after officials admitted misreading test results. LA County officials announced that a child had died from the virus, then said they were unsure whether the virus caused the death, then declined to explain the confusion.

Adding to the complications, different jurisdictions are using distinct standards for attributing a death to the coronavirus and, in some cases, relying on techniques that would lower the overall count of fatalities.

In Blaine County, Idaho, the local health authority requires a positive test to certify a death the result of the coronavirus. But in Alabama, the state Health Department requires a physician to review a person’s medical records to determine whether the virus was actually the root cause of death.

“This is in the interest of having the most accurate and most transparent data that we can provide,” said Karen Landers, a district medical officer with the Alabama Department of Public Health. “We recognize that different sites might do it differently.”

So far, the state has received reports of 45 people with the coronavirus dying but has only certified 31 of those deaths as a result of the virus.

Experts who study mortality statistics caution that it may take months for scientists to calculate a fatality rate for the coronavirus in the United States that is as accurate as possible.

Some researchers say there may never be a truly accurate, complete count of deaths. It has happened before. Experts believe that widespread news coverage in 1976 of a potential swine flu epidemic — one that never materialized — led to a rash of deaths recorded as influenza that, in years prior, would have been categorized as pneumonia.

Here’s a quick Coronavirus guide from Express Explained to keep you updated: What can cause a COVID-19 patient to relapse after recovery? | COVID-19 lockdown has cleaned up the air, but this may not be good news. Here’s why | Can alternative medicine work against the coronavirus? | A five-minute test for COVID-19 has been readied, India may get it too | How India is building up defence during lockdown | Why only a fraction of those with coronavirus suffer acutely | How do healthcare workers protect themselves from getting infected? | What does it take to set up isolation wards?

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