A series of articles published in the Canadian Medical Journal (CMAJ) has alerted the medical community to the hidden dangers of two deadly infections: Ebola virus disease and hantavirus. While these illnesses differ in nature, they both begin with common, non-specific symptoms such as fever, muscle pain, and headache, which significantly complicates early diagnosis.
In North America, hantavirus is frequently detected, typically following human contact with infected rodents. Of particular concern to experts is the Andes virus strain, which, unlike other variants, can be transmitted from person to person.
There are no specific medications or vaccines for hantavirus. Physicians can only provide supportive care to alleviate the symptoms of severe cardiopulmonary syndrome or kidney damage. Prevention is straightforward: limit contact with infected individuals, who must be placed under strict isolation. This is especially important since the virus can also spread from person to person through airborne droplets.
Fruit bats (flying foxes) are considered the natural reservoir of Ebola, with transmission occurring through bodily fluids and contaminated surfaces. Currently, researchers have only achieved success in combating the Zaire strain, reducing its mortality rate to 35% through the use of antiviral drugs and a vaccine.
However, the ongoing outbreak in the Democratic Republic of Congo is caused by the Bundibugyo strain, for which no officially approved vaccines yet exist, and which has a mortality rate of up to 50%. Patient survival depends on rapid detection and professional infection control within a hospital setting.
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