Scientists know the virus has a limited ability to spread from person to person, but they aren't sure about the path it took to reach its first human victims.
Not exact matches
But we shouldn't take as our paradigm of
knowing the most technical and rigorous kinds of focusing — like what
scientists do when they're studying a
virus.
Viticulturists and
Scientists Battle Latest Vineyard
Virus: Red Blotch When he was hired by Halter Ranch in 2012, Lucas Pope
knew there was a lot to tackle.
A far - reaching study conducted by
scientists at Cincinnati Children's reports that the Epstein - Barr
virus (EBV)-- best
known for causing mononucleosis — also increases the risks for some people of developing seven other major diseases.
At that time
scientists knew that antibodies from people infected by the 1968 pandemic
virus also reacted with an influenza strain isolated in 1963 from flu - ridden ducks.
Scientists already
know how these RNA
viruses infect cells.
H5N1 is getting far more attention than SARS from
scientists who study the ecology of
viruses because, of the 44 people who are
known to have gotten H5N1 in 2004, 32 died.
Knowing the structure means
scientists can explore how RNA synthesis is working in these
viruses.
CDC, racing to sequence the
virus from those infected, said it's seeing «slight changes» in its genetic makeup, but, said Besser, agency
scientists don't
know what that means.
Nor do
scientists know where the original 1918 pandemic
virus came from or where its distant descendant, the new H1N1 strain, is going.
Around 1984, when a student of his pointed out that Duesberg had not attended a West Coast meeting of
scientists working on tumor
viruses, he suddenly realized that he was
no longer being invited to the informal meetings.
Scientists want to
know if the
virus could interact with other factors, such as mutated genes, to trigger the disease.
FMEL
scientists do not yet
know how well Aedes aegypti — the Yellow Fever mosquito — and Aedes albopictus — the Asian tiger mosquito — transmit the Zika
virus to humans.
Scientists already
know how to use a weakened strain of a respiratory
virus called adenovirus to transport healthy genes to cells.
The new
virus, officially
known as Mimivirus (because it mimics a bacterium), is a creature «so bizarre,» as The London Telegraph described it, «and unlike anything else seen by
scientists... that... it could qualify for a new domain in the tree of life.»
Here were entities so wraith - like that they remained unseen until 1935, when
scientists armed with the newly invented electron microscope managed to take a picture of the «poison» lurking in Beijerinck's slime, today
known as tobacco mosaic
virus.
Computer
scientist Eran Shir of Tel Aviv University in Israel sees a lot of electronic epidemics that should not have happened:
viruses that spread rapidly because computers have no way of
knowing not to run malicious programs.
The
scientists examined the human herpes
virus 8, otherwise
known as Kaposi's sarcoma - associated herpesvirus.
To make things worse, no antiviral drugs currently available have proven effective against it, and because
scientists do not
know where the
virus resides between outbreaks, environmental control is impossible.
Scientists don't
know why the immature Zika
virus reshuffles its insides, Kuhn says — perhaps it helps the maturing
virus become infectious.
Scientists hope that the drug,
known as PMEA, might eventually help to fight HIV infection — particularly when given to people immediately after exposure to the
virus.
Scientists knew that the SARS
virus uses a receptor called ACE2 to pry open cells.
Negotiations with the U.S. company that holds the license for commercialization of the vaccine — which contains a gene for the Ebola surface protein stitched into a livestock pathogen
known as vesicular stomatitis
virus (VSV)-- have needlessly delayed the start of the trial, Becker and several other
scientists tell Science.
The
scientists removed the genes controlling viral replication and that cause disease, and they added part of the controlling element of a gene
known as CCN1 to cause the
virus to replicate selectively in cancer cells.
To harness the power of bacteriophages and develop effective therapies against bacteria like C.diff,
scientists need to
know exactly how these
viruses destroy bacterial cell walls.
But after discovering a novel group of giant
viruses with a more complete set of translation machinery genes than any other
virus known to date,
scientists at the U.S. Department of Energy Joint Genome Institute (DOE JGI), a DOE Office of Science User Facility, believe that this group (dubbed «Klosneuviruses») significantly increases our understanding of viral evolution.
They didn't
know what the
viruses did with it, but some
scientists such as Max Delbruck and Salvador Luria started to infect E. coli with its
viruses and see what happens.
Scientists already
knew that bacteria could contaminate utensils in this way, but the new study is the first to look at hepatitis A
virus and norovirus, the most common cause of foodborne illness in the United States.
Scientists knew that all cells can shred unwanted RNA using RNAi, but they had never observed living animals using this strategy to defend against
viruses.
In 2013,
scientists amassed substantial evidence that people and other animals form a unit with their resident bacteria, archaea, fungi and
viruses — the collection of microbes
known as the microbiome.
In the genome of tumour cells of 11 patients, the
scientists observed the insertion of a viral DNA segment from adeno - associated
virus type 2,
known as AAV2.
«Many
scientists suspected that the
virus had hidden away in her brain and something happened that meant that she subsequently developed meningitis, I don't think we really
know what that trigger was.
For the first time,
scientists know what happens to a
virus» shape when it invades a host cell, thanks to an experiment by researchers at Penn State College of Medicine and University of Pittsburgh School of Medicine.
It has been more than a century since
scientists discovered the first
virus, and for decades it was
known simply as a «very small disease - causing agent».
PULLMAN, Wash. — A team of
scientists from Washington State University has discovered how one of the planet's most deadly
known viruses employs burglary - ring - like teamwork to infiltrate the human cell.
And
scientists think they
know how she got the
virus: She put her hand on rocks covered in bat guano.
This new enemy is in cahoots with devious
scientist, Dr. Alrich Killian, who is working on a deadly toxin
known as the Extremis
virus.
Dr. Kock is a global expert on investigating factors contributing to the epidemic of goat plague, a highly contagious
virus known to
scientists as peste des petits ruminants (PPR).
We
know that
viruses and bacteria cause disease;
scientists call this germ theory.