“We have identified a limited number of widely known organisms that could cause disease and deaths in sufficient numbers to cripple a city or region. Smallpox is one of the most serious of these ...

It is the first time we can trace these early smallpox viruses and compare their genomes and mutations and see how the disease evolved over time," says Eske Willerslev. Catalogue of Mutations Even ...

The fatal disease smallpox is older and more widespread than scientists so far have proved. A new study by an international team of researchers from the University of Copenhagen and the University of ...

Please provide your email address to receive an email when new articles are posted on . Throughout the course of human history, one infectious disease (Figure 1) may account for more deaths than any ...

It has been more than 30 years since routine smallpox vaccinations stopped in the United States. The last U.S. smallpox case occurred in 1949. And the last known case of smallpox in the world was in ...

For months now, the government has warned Americans to prepare themselves for a biological or chemical attack. President Bush decided that the risk of a smallpox outbreak was significant enough to ...