We've long known that environmental factors—from humidity and temperature to trace chemical vapors—can influence how ...

Mycobacteria are the world's most deadly bacteria --c ausing infectious diseases including tuberculosis (TB), which alone kills more than one million people each year. New drugs to fight these ...

Scientists today understand that bird influenza viruses, like human influenza viruses ... to the prosecution of the war.” Government posters and advertisements urged people to report to the ...