The Shadow Epidemic: How Congo's Ebola Outbreak Went Unnoticed for Months The Democratic Republic of Congo has long been plagued by infectious diseases.
Its latest Ebola outbreak has raised questions about how this deadly virus spread undetected for so long.
Officially declared on May 15, the epidemic may have begun months earlier, with some experts suggesting that the Bundibugyo variant was circulating in the region as early as February.