Krause found that the bacteria in the skeletons were closely related to a TB strain called Mycobacterium pinnipedii, which infects sea lions and seals, and not to the strains
infecting humans today.
According to their analysis, domestic ducks and chickens played distinct roles in the genesis of the H7N9 virus
infecting humans today.
Not exact matches
Poinar suggested in the journal American Entomologist that the origins of this deadly disease, which
today can
infect animals ranging from
humans and other mammals to birds and reptiles, may have begun in an insect such as the biting midge more than 100 million years ago.
H. pylori is probably the most successful bacterium to
infect humans, and lurks in the guts of almost half of all people
today.
In a study published in PLOS ONE
today, a team of researchers led by the London School of Hygiene & Tropical Medicine show for the first time that female mosquitoes
infected with malaria parasites are significantly more attracted to
human odour than uninfected mosquitoes.
The mutant far more easily
infected human immune cells than did the ancestral pseudotype, the team reports
today in Cell.
When researchers sequenced the chimpanzee genome in 2005, the biggest difference between it and the
human genome was the extinct PtERV1 retrovirus, which inserted its DNA into the cells it
infected like HIV does
today.
Intentionally
infecting a
human — let alone a child — with a disfiguring and even deadly disease would never pass ethical muster
today.
Mosquitoes are capable of carrying Zika and chikungunya viruses simultaneously and can secrete enough in their saliva to potentially
infect humans with both viruses in a single bite, according to new research presented
today at the 2016 Annual Meeting of the American Society of Tropical Medicine and Hygiene (ASTMH).
Human immunodeficiency virus (HIV) can
infect bone marrow cells — including, possibly, hematopoietic stem cells, according to a study published online
today (March 7) in Nature Medicine.
But lest you think I'm scaremongering, let me quote Professor Colin Blakemore on Radio Four's
Today programme yesterday morning, John Humphries «the way that a
human could catch bird flu would be to cuddle an
infected chicken, or drink swan's blood».