For years scientists have puzzled over why the intracellular pathogen Salmonella is able to survive — and thrive — in human and animal tissues, even within otherwise hostile cells that are part of the ...

The World Health Organization is opening up the definition of airborne pathogens – such as Covid-19, influenza and measles – to include when respiratory droplets spread through the air and when they ...

Can plant germs really cross over to people? The short, disturbing answer is yes, experts told Live Science, but it's ...