The world will officially record 1 million deaths from Covid-19 in the next few days, but the real tally might be almost double that.
The actual fatalities from the worst pandemic in a century may be closer to 1.8 million — a toll that could grow to as high as 3 million by the end of the year, saidAlan Lopez, a laureate professor and director of the University of Melbourne’s global burden of disease group. The coronavirus’s rapid spread and ability to transmit in people with no signs of the disease have enabled it to outrun measures to accurately quantify cases through widespread diagnostic testing.
“One million deaths has meaning by itself, but the question is whether it’s true,” Lopez said in an interview. “It’s fair to say, that the 1 million deaths, as shocking as it sounds, is probably an underestimate — a significant underestimate.”
Even in countries with sophisticated health systems, mortality is difficult to accurately gauge. Tens of thousands of probable Covid-19 deaths in the U.S. weren’t captured by official statistics between March and May,a study in July found, frustrating efforts to track and mitigate the pandemic’s progression.
The dearth of accurate data undermines the ability of governments to implement timely strategies and policies to protect public health and promote economic recovery. If the mortality from Covid-19 reaches 3 million as Lopez predicted, it would rank the disease among the world’s worst killers. An undercount in deaths could also give some people a false sense of security, and may allow governments to overlook the pandemic’s burden.
India has confirmed more than 5.4 million Covid-19 cases, but accounts for only 90,020 of the967,164 deaths reported globally to the World Health Organization as of 4:47 p.m. Geneva time Wednesday. The country, with the highest number of infections after the U.S., lacks areliable national vital statistics registration system totrack deaths in real time. In Indiana in the U.S., researchers found that although nursing home residents weren’t routinely tested for the SARS-CoV-2 virus, theyrepresented 55% of the state’s Covid-19 deaths.
“Yes, cases are reported daily everywhere, but as soon as you get to the next tier down, like how many were admitted to hospitals, there have just been huge gaps in the data,” said Christopher J. Murray, director of the Institute for Health Metrics and Evaluation at the University of Washington in Seattle. Medical data, including duration of illness and symptoms, help to ascribe a probable cause of death, he said.
Patients with heart disease, diabetes, cancer and other chronic conditions are at greater risk of dying from Covid-19. Some governments, includingRussia, are attributing the cause of deaths in some of these patients to the pre-existing condition, raising questions about theveracity of official mortality data.
In July, Russia recorded 5,922 fatalities due to Covid-19.At least 4,157 other deaths were linked to the coronavirus, but not included in the tally because of how the nation defines such deaths. Overall, it recorded 29,925 more deaths in July than in the same month of 2019.
The WHO laid outguidance for classifying coronavirus deaths in June, advising countries to count fatalities if patients had symptoms of the disease regardless of whether they were a confirmed case, and unless there was a clear alternative cause. A Covid-19 fatality should be counted as such even if pre-existing conditions exacerbated the disease, said the organization. The U.S. Centers for Disease Control and Prevention releasedsimilar guidelines.
Still, it may take health workers certifying deaths time to adopt the methodology, the University of Melbourne’s Lopez said. His research has received funding by Bloomberg Philanthropies, set up by Michael Bloomberg, founder and majority owner of Bloomberg News’ parent Bloomberg LP.
“Doctors often are learning as they go along, so they’re not certifying all the deaths that are due to Covid as Covid deaths,” Lopez said.
Although the pandemic has altered mortality patterns worldwide, not all of the changes are a direct result of the pandemic, he said. Physical distancing measures may have reduced road fatalities and deaths caused by influenza. In Japan, which has been scrutinized for its lack of widespread testing and relatively lax containment efforts, deathsfell by 3.5% in May from a year earlier even as Covid-19 cases peaked.
“The pandemic actually works in contradictory ways to affect mortality,” Lopez said.
‘Cost Tens of Trillions’
Likewise, the economic cost of the pandemic — which may top $35.3 trillion through 2025 — will be driven more by changes in people’s spending patterns than number of deaths and government-mandated “lockdown” measures, according to Warwick McKibbin, a professor of economics at the Australian National University and a non-resident senior fellow at the Brookings Institution in Washington.
“We estimate this outbreak is going to cost tens of trillions to the world economy,” McKibbin said in an interview. “The change in economic outcomes is caused by individuals changing their behavior, not because the government mandated a shutdown.”
Worldwide, the growth in the number of daily deaths has eased since spiking in March and April, helped by improved medical care and ways to treat the disease. But as resurgences flare in Europe and North America ahead of winter and the flu season, Covid-19 fatalities may rise sharply again. It took nine days for cases in the U.K. todouble to 3,050 in mid September, compared with the previous doubling time of five weeks, the BMJ journal said last week.
Covid-19 patients aged 75 to 84 are 220 times more likely to die from the disease than 18-to-29-year-olds, according to the CDC. Seniors over 85 years have a630 times higher risk of dying. The older age of fatal Covid-19 cases has made some people think “they’re old people, they’re going to die anyway,” said Michael Osterholm, an epidemiologist and director of the Center for Infectious Disease Research and Policy at the University of Minnesota.
“I have a really hard time with that,” Osterholm said in an interview. “That’s an unfortunate and very sad way to come to understand this pandemic. Many of those people who died are very important loved ones to so many of us that it’s hard to just dismiss it as it’s just a number.”
— With assistance by Torrey Clark
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