The country’s pandemic early warning system has issued only a handful of alerts — most of them unrelated to deadly variants of COVID-19 — since facing intense public scrutiny and criticism from Canada’s auditor general, new federal documents show.

Records obtained by CBC News under access to information reveal that between January 2020 and May 2021, the Global Public Health Intelligence Network (GPHIN) delivered only five infectious disease alerts to its nearly 900 subscribers worldwide.

The early warning system had stopped issuing bulletins and was largely silent throughout 2020 — just prior to and during the early phases of the COVID-19 pandemic — but resumed in the fall of last year following widespread criticism.

It had been muzzled the year before by a series of internal decisions at the Public Health Agency of Canada (PHAC). The agency wanted the surveillance system — which scours the internet for signs of infectious disease outbreaks — to focus more on domestic health concerns.

Of the five bulletins that were issued, only one of them — sent on Nov. 4, 2020 — signaled concern about a possible coronavirus variant that reportedly had appeared on a mink farm in Denmark and may have made the leap from animals to humans.

Worker Jan Loested cleans out a shed that formerly housed mink at the Semper Avanti mink farm during the outbreak of the coronavirus disease (COVID-19) in Moldrup, Denmark, December 10, 2020. (Andrew Kelly/Reuters)

The other alerts involved an outbreak of H5N1 bird flu in Russia, a tick-borne viral infection in China and reports of an unknown disease in the Democratic Republic of Congo.

In contrast, ProMED — an internet surveillance program belonging to the International Society for Infectious Diseases (ISID) — has issued dozens of alerts over the same period of time. Some of those ProMED alerts have been about highly transmissible and lethal coronavirus variants.

It was ProMED, not GPHIN, that first alerted the Canadian military’s intelligence branch to the initial outbreak of COVID-19 in December 2019, federal documents show.

“I don’t think GPHIN is functioning as is intended to function,” said Dr. Ron St. John, a former director general at PHAC who once served as the country’s quarantine officer. 

Last spring, Auditor General Karen Hogan criticized the federal government’s pandemic preparedness and cited the PHAC changes which silenced GPHIN.

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PHAC “was not as well prepared as it could have been,” Hogan reported in her audit — mostly because major contingency plans and issues related to surveillance flagged by previous auditors general had not been dealt with.

Hogan’s audit found that GPHIN did not issue an alert to provide an early warning when COVID-19 first emerged in Wuhan, China. The network did mention the outbreak in a daily email report sent to domestic subscribers, including the provinces, with links to related news articles.

Public health officials have defended the absence of an alert, saying that at the end of December 2019, after other international sources like ProMED already had shared news of the virus, it was no longer necessary to issue a bulletin.

The public health agency said it has made changes since the auditor’s report was released.

“In recognition of the need for clear decision-making processes, a standard operating procedure was put in place in fall 2020 regarding the issuance of GPHIN alerts,” the agency said in a recent statement.

“PHAC is committed to scientific excellence and continuously adapts its processes to enable effective responses to emerging public health issues. Recommendations from the Auditor General and from the GPHIN External Review Panel will be used to inform further developments with respect to GPHIN.”

‘It’s just astounding to me’

In addition to the auditor general’s report, federal Health Minister Patty Hajdu ordered an independent review of what went wrong with GPHIN. The panel’s findings, released in July, noted that the surveillance network was understaffed when the pandemic hit and the system for issuing alerts was lacking.

It’s clear the system is still lacking, said St. John. He said the small number of alerts issued is a problem, given the threat of COVID variants and the fact that governments around the globe and the World Health Organization (WHO) are GPHIN subscribers and rely on the intelligence it provides.

“It’s just astounding to me,” he said. “If you don’t monitor, you won’t find infectious disease … A mutation that becomes more deadly, that’s an event that should be detected as soon as possible.”

Alerts are still run through senior management at PHAC. The agency said that “if the criteria are met,” the director of situational awareness authorizes the bulletin.

Staff queue to test for the COVID-19 coronavirus at the gym of a company in Wuhan in China’s central Hubei province on August 5, 2021. (AFP/Getty Images)

Those criteria include “whether the event could represent a chemical, biological, radiological or nuclear incident posing an immediate threat to human health or the environment,” the agency said.

St. John said he believes there is still “a lack of understanding of the fundamental principles of what GPHIN was all about, how it operated and what it was intending to do.”

GPHIN is meant to gather information on emerging health threats and flag important, unusual events to its subscribers, particularly international partners such as the WHO’s Epidemic Intelligence from Open Sources (EIOS) initiative. The EIOS system collates hundreds of thousands of news articles every day from a broad range of official sites, social media sources and news agencies.

PHAC said in its statement that Canada — and GPHIN in particular — are “key public health partners of the EIOS.”

In fact, said PHAC, GPHIN provides “approximately 20 per cent of the total volume of open source data that is fed into the EIOS system.”

St. John and others in the public health field say they wonder how the low number of alerts issued by GPHIN, and the handicaps under which it has operated, have affected the assessments EIOS has been producing and the WHO as a whole.


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