Use the purifier to isolate the viruses. Smallpox vaccines contains cowpox viruses but not the bacteria and other impurities found in the fluid collected from such pustules. To make the vaccine ...

Smallpox has a fearsome reputation ... an immune response in the body against some kind of pathogen—a virus or bacteria or some other agent that causes disease. Normally when a pathogen invades ...

To win American independence, he not only had to defeat the British army; he had to defeat smallpox. At the time, 90% of deaths in the Continental Army were due to disease. Smallpox was so feared ...

This was caused by a bacteria, Yersinia pestis ... They caused empires to fall and new ones to arise. Smallpox first emerged around 68,000 years ago. We have no idea how many people it has ...

Before that point, infectious diseases such as smallpox, cholera ... save countless lives each year by killing illness-causing bacteria, our good gut bacteria can also become collateral damage ...

The variola virus, which causes smallpox, is also a priority despite ... outbreak in US cattle), are now on the list. Newly added bacteria include those causing cholera, plague, dysentery ...

The number of bacteria and viruses lurking in the permafrost ... Other pathogens - such as smallpox or the influenza strain that killed tens of millions in 1917 and 1918 - may also be present ...