Some of the diseases are: acanthamoeba keratitis, progressive vaccine, rat-bite fever, etc. Infectious diseases have been evolving and re-evolving over the ages and causing immense misery the majority of all human infectious diseases and pandemics have originated through the cross-species transmission...
most countries have been getting healthier. Chalk it up to improved sanitation, rat control, clean drinking water, pasteurised milk, childhood vaccinations, modern medical