Comprehensive guide and unique source of information on infectious diseases that have either lately appeared for the first time in a population or have recently rapidly increased in incidence. Articles avoid medical jargon and use language that laypersons understand while still providing authoritative, balanced information that addresses the pathogens that are causing and threaten to cause significant health crises. COVID, Coronavirus, hepatitis A, monkeypox, Zika virus, etc. are among the diseases that are covered.