The Source of New Infectious Diseases This seems like a timely question, in the light of the current Covid-19 outbreak. Everyone knows how you get an infectious disease: you get it from another person who has it. But where did the first person get it? And if they just evolve in the same way that animals and plants evolve, shouldn't it take really long for new diseases to appear?
How to Prevent New Diseases like Covid 19
How to Prevent New Diseases like Covid 19
How to Prevent New Diseases like Covid 19
The Source of New Infectious Diseases This seems like a timely question, in the light of the current Covid-19 outbreak. Everyone knows how you get an infectious disease: you get it from another person who has it. But where did the first person get it? And if they just evolve in the same way that animals and plants evolve, shouldn't it take really long for new diseases to appear?