Curated category
Pandemics
- HIV/AIDSHuman immunodeficiency virus is a retrovirus that primarily infects components of the human immune system such as CD4+ T cells, macrophages and dendritic…
- CholeraIn the small intestine, a single bacterium can trigger a cascade that pulls up to six liters of water per day through intestinal cells.
- COVID-19 pandemicIn late December 2019, a cluster of pneumonia cases appeared in Wuhan, China. Chinese pulmonologist Zhang Jixian observed the unusual group on the 26th of…
- VirusIn 1892, Dmitri Ivanovsky published an article describing a non-bacterial pathogen that infected tobacco plants. He used filters with pores small enough to…
- Antonine PlagueRoman soldiers returned from the siege of Seleucia in the winter of 165 to 166. They carried a disease back to their homeland after violating a temple during…
- Plague of CyprianThe Roman Empire faced a pandemic from about AD 249 to 262, or possibly extending to 270. Historians debate the exact start date and geographical origin of…