Two independent tallies now put the Democratic Republic of Congo's Bundibugyo-strain Ebola outbreak past 6,000 confirmed cases, and they do not quite agree. CIDRAP, citing the World Health Organization, reported 6,041 cases and 2,911 deaths, a crude case-fatality ratio of 48.1 percent. [1] The DRC Ministry of Health, as of the end of August 30, counted 6,100 confirmed cases and 2,950 deaths, a ratio of 48.4 percent. [2] The gap is about one percent. Neither figure is a settled final count. Both have crossed the round number, and both still describe an outbreak that is adding cases by the day.
That is the update this paper's August 27 account said would come. Thursday's piece recorded the CDC calling the epidemic the second-largest Ebola outbreak on record, and it refused to treat WHO's 5,794 cases and 2,786 deaths as interchangeable with the CDC's 5,656 and 2,715. Today's two ledgers have moved, together, past 6,000. They still have not merged.
The day that produced the Ministry's 6,100 was not a plateau. By the end of August 30 the ministry logged 59 new confirmed cases — 44 of them in Ituri, eight in North Kivu, six in Haut-Uélé, one in Bas-Uélé — and 39 deaths, 19 of them in the community and 20 inside treatment centers. [2] Seventeen patients were discharged after two negative tests. [2] Ituri still holds 82.3 percent of confirmed cases. [2] Sixty of 151 health zones across six provinces have been affected since the epidemic began. [2]
WHO's own Disease Outbreak News, published August 28 with data through August 26, already described that six-province map: Bas-Uélé, Haut-Uélé, Ituri, North Kivu, South Kivu, and Tshopo. [3] Contact follow-up the day before that bulletin sat at 82.3 percent — 22,091 of 26,850 contacts seen. [3] Ituri was the epicenter then, with 4,802 of the sitrep's confirmed cases; North Kivu was second, with 775 cases and the outbreak's highest provincial fatality ratio, 68 percent, a gap WHO said was still under investigation. [3] In the 24 hours before that table closed, 81 new confirmed cases were reported from 19 health zones. [3] "Delays in recognizing cases increase the likelihood of onward transmission within households, communities and healthcare facilities," the WHO said, tying the 48 percent fatality ratio to late detection and thin clinical access, not only to the virus. [1] [3]
The geography is a conflict map, not a lab map. WHO placed the epidemic in a humanitarian setting of armed violence, displacement, and more than 26 million people facing acute food insecurity, with an estimated one million internally displaced people in Ituri alone. [3] Overcrowding, weak water and sanitation, and restricted access in mining communities and informal settlements slow isolation and contact work. [3] Those constraints distort a case count in both directions: some infections are missed, some deaths are counted late. They do not license treating 6,000 as a round number that has already happened.
The strain is still Bundibugyo. No licensed vaccine or specific treatment exists for it. [3] Prior Bundibugyo outbreaks, in Uganda and the DRC in 2007 and 2012, killed about 30 percent and 50 percent of patients; the current ratio sits near the high end of that history, well above the species' older reputation as the milder Ebola. [3] Vaccination of health workers with Ervebo, the Zaire-strain shot, began August 27 in some areas, including Kisangani, inside a trial meant to learn whether it protects against this outbreak's actual virus. [3] WHO is also sponsoring the PARTNERS treatment trial, open in three Ituri facilities, with more than 250 confirmed patients enrolled since July 2. [3] The outbreak remains a public health emergency of international concern. [3] Those are operating facts, not superlatives.
Médecins Sans Frontières opened a new Ebola treatment center in Beni, North Kivu, to catch patients faster in one of the hardest-hit towns. [1] [4] Albert Stern, the group's emergency coordinator, said early diagnosis "significantly increase[s] people's chances of survival." [4] He also named the second-order cost the milestone coverage skips: people stay away from clinics for malaria and childbirth because they fear the virus, or the rumors about what happens inside an Ebola ward. [1] [4] A round-number case count does not measure that.
The second-largest-ever label was true on August 27 and is still true today. It is also the wrong tense. Fifty-nine new confirmed cases in a single day is not how a historical ranking behaves. It is how an epidemic still moving through Ituri mining corridors, informal border crossings, and overcrowded treatment centers behaves. The two ledgers — 6,041 against 6,100, 2,911 against 2,950 — converge on the same instruction this thread has carried since July: keep the sources labeled, keep them unmerged, and do not let a superlative stand in for tomorrow's sitrep.
-- KENJI NAKAMURA, Tokyo