WHO says China revised coronavirus infection data to ‘leave no case undocumented’

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Maria Van Kerkhove, head of the World Health Organization’s emerging diseases and zoonosis unit, speaks during a press conference following an emergency committee meeting over the new coronavirus in Geneva on Jan. 22, 2020.

Pierre Albouy | AFP | Getty Images

The World Health Organization said Friday that China revised its Covid-19 figures “to leave no case undocumented” and that other countries will also likely need to amend counts as systems around the world are overwhelmed.

Wuhan, the epicenter of the coronavirus outbreak in China, added 325 confirmed cases and 1,290 deaths to the city’s Covid-19 count after “a city-wide investigation,” state media reported earlier Friday.

“This was done in an attempt to leave no case undocumented,” Dr. Maria Van Kerkhove, the WHO’s lead scientist on Covid-19, said at a news briefing from the agency’s Geneva headquarters. “They looked at the funeral service systems. They looked at hospital systems. They looked at laboratories to see if there were any duplications or if there were any cases missing.”

Reporting the true number of deaths caused by Covid-19 is crucial to understanding the virus, Van Kerkhove said. Without accurate reporting of cases and deaths, epidemiologists struggle to calculate the rates of infections and fatalities, which can be used to guide government response. 

U.S. economists and politicians have previously questioned the accuracy of China’s coronavirus figures. China’s National Health Commission has reported a total of 82,692 cases and 4,632 deaths, which is dwarfed by figures in the U.S. and some European countries, including Spain and Italy.

“It is very important to know the numbers of people who have died from Covid-19 because this is of public health importance and it is important that we have the accurate reporting of this,” Van Kerkhove said.

State news agency Xinhua posted a notice from Wuhan’s municipal government, which listed four explanations for the discrepancy in the city’s data. 

First, the notice said a surge of patients in the early stage of the outbreak caused a shortage of medical resources and inadequacy in the city’s treatment capacity. That resulted in some patients dying at home 

In addition, hospitals were overwhelmed, which resulted in delayed, missing or erroneous reporting of cases and deaths, according to the notice.

It also said given the vast network of health-care institutions involved in treating patients with the coronavirus, some failed to provide timely updates about the cases they were handling.

Finally, registration of some deaths was either repeated or misreported, according to the notice. 

“This is something that is a challenge in an ongoing outbreak, to identify all of your cases and to identify all of your deaths as an outbreak happens, especially if systems are overwhelmed,” Van Kerkhove said. “I would anticipate that many countries are going to be in a similar situation where they have to go back and review records and look to see did we capture all of them.”

New York City has also struggled to get an accurate count of Covid-19 fatalities as more people die at home and some likely coronavirus deaths are attributed to heart attacks and other causes. Earlier this week, city officials said they would begin counting “probable” Covid-19 deaths, which are people “who had no known positive laboratory test,” but are believed to have died due to Covid-19.

As of Thursday, the The New York City Department of Health and Mental Hygiene estimates that there have been 3,914 probable Covid-19 deaths since March 11 that weren’t previously counted in the city’s official tally. There have been 7,563 confirmed Covid-19 deaths in New York City so far.

— CNBC’s Yen Nee Lee and Lilian Wu contributed to this report.

World Health Organization (WHO) Director-General Tedros Adhanom Ghebreyesus attends a daily press briefing on COVID-19, the disease caused by the novel coronavirus, at the WHO heardquaters in Geneva on March 11, 2020.

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