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Infectious mononucleosis (IM, mono), also known as glandular fever, is an infection usually caused by the Epstein–Barr virus (EBV). [ 2 ] [ 3 ] Most people are infected by the virus as children, when the disease produces few or no symptoms. [ 2 ]
The resulting number could potentially be an overestimate given that mild cases of H5N1 can go undetected and unreported. How deadly bird flu is in humans may depend on a number of other factors ...
A zoonosis (/ z oʊ ˈ ɒ n ə s ɪ s, ˌ z oʊ ə ˈ n oʊ s ɪ s / ⓘ; [1] plural zoonoses) or zoonotic disease is an infectious disease of humans caused by a pathogen (an infectious agent, such as a bacterium, virus, parasite, or prion) that can jump from a non-human vertebrate to a human. When humans infect non-humans, it is called reverse ...
Malnutrition can be identified as an underlying cause for shortened life. [14] 70% of childhood deaths (age 0–4) are reportedly due to diarrheal illness, acute respiratory infection, malaria and immunizable disease. However 56% of these childhood deaths can be attributed to the effects of malnutrition as an underlying cause. [15]
Those viruses became deadly human contagions and spread in animals and people. A number of experts think it’s unlikely this virus will become a deadly global contagion, based on current evidence ...
In humans, subitization allows for the recognition of numbers on pairs of dice due to the dot groupings rather than explicitly counting each dot. Essentially, it can give one a number sense without needing to understand the numerical system at low quantities. [12] Subitization in primates is evident in a wide range of experiments.
Humans probably came into contact with these rodents, and some people became infected by the viruses they carried. When viruses cross this so-called "species barrier", their effects can be severe, [6] and humans may have had little natural resistance. Contemporary humans lived in small communities, and those who succumbed to infection either ...
The population of the mountain chicken frog, once abundant in the Caribbean, has dropped by over 99% in 20 years due to a deadly fungal disease.