The R0 measure indicates how an infection will spread in a population. If it’s greater than one (as seen above), the outcome is disease spread. An R0 of one means the level of people being infected ...

There are evolutionary reasons why the immune system may have evolved to overreact in this way (panic attacks are another ...

Millions of people who recover from infections like COVID-19, influenza and glandular fever are affected by long-lasting ...