A virus is not just DNA; a virus is also packaged up, covered over with a series of proteins in a nice, elegant, well-compacted form.
Scepticism may be evidence of a healthy and independent mindset; but conspiracism is a virus that feeds off insecurity and bitterness.
The CIA now assesses that four nations - Iraq, North Korea, Russia and, to the surprise of some specialists, France - have undeclared samples of the smallpox virus.
This year, 1996, has been designated the 'Year of the Vaccine,' commemorating the 200th anniversary of Edward Jenner's vaccination of James Phipps with cowpox virus and subsequent challenge with smallpox virus. Insight into the nature of viruses, and how viruses interact with mammalian cells, has evolved since the turn of the century.
In fact, a large majority of those have died and of those expected to die of AIDS, as well as of those who are infected with the virus, are in sub-Saharan Africa.
You see a virus very differently when it's caught and suspended on a slab of glass than when you're observing how it's ravaged a fellow human being.
Reports of illegal migrants carrying deadly diseases such as swine flu, dengue fever, Ebola virus and tuberculosis are particularly concerning.
The more cases of Ebola infection we have, the more chances there are for the virus to mutate in a particular way that adapts it well to living in humans, replicating in humans, and perhaps transmitting from human to human.
I was less successful in my attempts to effect preventive vaccination against typhus by using the virus and in trying to produce large quantities of serum using large animals.
While Ebola's deadly reach has proven to be a complex and unique international challenge, the many uncertainties surrounding this virus continue to threaten U.S. national security.
People called '28 Days' and '28 Weeks' zombie movies, and they're not! It's some sort of virus; they're not dead.