1 September 1910: Peyton Rous shows that a sarcoma of chickens, subsequently associated with Rous sarcoma virus, is transmissible

3 September 1917: Discovery of bacteriophage of Shigella by Félix d'Herelle

8 September 1976: Death of Mabalo Lokela, the first known case of Ebola virus

8 September 2015: Discovery of giant virus Mollivirus sibericum in Siberian permafrost

11 September 1978: Janet Parker was the last person to die of smallpox

12 September 1957: Interferon discovered by Alick Isaacs and Jean Lindenmann

12 September 1985: Structure of human rhinovirus 14 (pictured) solved by Michael Rossmann and colleagues, the first atomic-level structure of an animal virus

17 September 1999: Jesse Gelsinger died in a clinical trial of gene therapy using an adenovirus vector, the first known death due to gene therapy

20 September 2015: Wild poliovirus type 2 declared eradicated

26 September 1997: Combivir (zidovudine/lamivudine) approved; first combination antiretroviral

27 September 1985: Structure of poliovirus solved by Jim Hogle and colleagues

28 September 2007: First World Rabies Day is held