"The smallpox virus is shown in this 1975 electronmicrograph from the Centers for Disease Control. (AP Photo/CDC)" - (https://www.voathai.com/a/smallpox-mummy-tk/3659450.html)

De Agostini Picture Library | Getty Image - (https://www.cnbc.com/2014/10/17/historys-deadliest-epidemics.html)

An artistic rendering of Edward Jenner vaccinating eight-year-old James Phipps in 1796. (Pan American Health Organization / flickr) - (https://www.smithsonianmag.com/science-nature/mysterious-origins-smallpox-vaccine-180970069/)

"Ali Maow Maalin" - (https://www.researchgate.net/figure/Somali-cook-Ali-Maow-Maalin-developed-smallpox-on-October-26-1977-Since-then-no-other_fig9_333089598)

"Donald Ainslie Henderson, MD (1928-2016) a leader of the international effort to eradicate smallpox" - (https://www.jhsph.edu/about/history/in-memoriam/donald-a-henderson/)

"Dr. Donald A. Henderson, who led the World Health Organization’s war on smallpox, administering a smallpox vaccination in Ethiopia, around 1972. The last known case was in 1977.Credit...World Health Organization" - (https://www.nytimes.com/2016/08/22/us/dr-donald-a-henderson-who-helped-end-smallpox-dies-at-87.html)

"Janet Parker: Photographer in wrong place at the wrong time" - (https://whenwordsmatter.typepad.com/before_their_time/2017/04/janet-parker-had-a-splitting-headache-a-migraine-she-thought-as-she-knocked-off-work-early-on-friday-afternoon-august-11.html)

"Differences Between Chickenpox and Smallpox" - (https://microbiologyinfo.com/differences-between-chickenpox-and-smallpox/)

"The University of Birmingham Medical School. (Image: Mirrorpix)" - (https://www.birminghammail.co.uk/news/good-turn-medical-colleagues-cost-14511601)

Catherine-de-Barnes Isolation Hospital where smallpox victim Janet Parker died, was behind this fence. The message is clear

People queue for smallpox vaccinations in Birmingham in 1978. These were waiting at the Public Health Department clinic immunisation department in Congreve Street.

Professor Henry Bedson

"Plan of the Birmingham smallpox laboratory in 1978, A = smallpox laboratory; B= animalpox laboratory; C = tissue culture laboratory; E = corridor with swing barrier; D = internal service ducts with access hatches.The position of two safety cabinets is shown at the top with extraction ducts to the windows (black arrows). The circles represent centrifuges and the squares various incubators and refrigerators. The laboratory was about 9.5 metres wide.

"Schematic diagram of the East Wing of Birmingham University Medical School in 1978. The positions of the ventilation ducts are labelled A,B,C and D"

"A hideously scarred smallpox victim. Photo courtesty of the Wellcome Collection."

https://www.bbc.com/news/uk-england-birmingham-45101091

https://io9.gizmodo.com/the-horrifying-story-of-the-last-death-by-smallpox-1161664590

"The rear of the Medical School showing the location of the smallpox laboratory (bottom) and the rooms where Parker worked (above)" - (https://en.wikipedia.org/wiki/1978_smallpox_outbreak_in_the_United_Kingdom)

https://www.who.int/csr/disease/smallpox/en/

https://www.who.int/csr/disease/smallpox/en/