{"id":503,"date":"2021-01-08T12:00:00","date_gmt":"2021-01-08T17:00:00","guid":{"rendered":"https:\/\/anyonecanscience.com\/?p=503"},"modified":"2021-01-14T16:40:11","modified_gmt":"2021-01-14T21:40:11","slug":"preparing-the-body-for-battle-part-1-the-long-history-of-vaccination","status":"publish","type":"post","link":"https:\/\/anyonecanscience.com\/index.php\/2021\/01\/08\/preparing-the-body-for-battle-part-1-the-long-history-of-vaccination\/","title":{"rendered":"Preparing the Body for Battle: Part 1\u2014The Long History of Vaccination"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">As we finally exit the long slog that was 2020 and enter the new year, the topic on everyone\u2019s mind right now is vaccination. With the recent FDA approval of both the Moderna and Pfizer\/BioNTech vaccines, many of our long-standing questions and concerns about vaccination have come to the forefront of public consciousness\u2014especially since these new vaccines are pioneering a relatively novel method of vaccination. Vaccination itself may seem like a relatively recent endeavor, a product of 20th-century science and public health initiatives. And while the first laboratory-concocted vaccine wasn\u2019t created until 1879, the legacy of vaccines and inoculation against deadly pathogens stretches back to as early as the year 1000.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Historians believe that the practice of inoculation against infectious diseases dates all the way back to China in the year 1000. A practice known as <a href=\"https:\/\/www.pbs.org\/wgbh\/nova\/video\/a-history-of-vaccination\/\" target=\"_blank\" rel=\"noreferrer noopener\">variolation<\/a>, which involved rubbing weakened viral material into an open wound, was practiced by healers in China, India, Africa, and the Ottoman empire to treat cases of smallpox. The healers would collect samples of infectious material from relatively mild cases of the disease, dry the samples out, and carry them around in their pockets for a couple of weeks before using the material for variolation. The result was a relatively weak form of the smallpox virus that would infect the patient. It would typically cause a few days of mild sickness. but the patients would not die. And following the initial infection, they would be permanently immune to smallpox.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"460\" height=\"595\" src=\"https:\/\/i0.wp.com\/anyonecanscience.com\/wp-content\/uploads\/2021\/01\/Lady_Mary_Wortley_Montagu.jpg?resize=460%2C595&#038;ssl=1\" alt=\"Lady Mary Wortley Montagu helped to bring variolation to light in the scientific spheres of the West.\" class=\"wp-image-498\" srcset=\"https:\/\/i0.wp.com\/anyonecanscience.com\/wp-content\/uploads\/2021\/01\/Lady_Mary_Wortley_Montagu.jpg?w=460&amp;ssl=1 460w, https:\/\/i0.wp.com\/anyonecanscience.com\/wp-content\/uploads\/2021\/01\/Lady_Mary_Wortley_Montagu.jpg?resize=232%2C300&amp;ssl=1 232w\" sizes=\"auto, (max-width: 460px) 100vw, 460px\" \/><figcaption>Lady Mary Wortley Montagu helped to bring variolation to light in the scientific spheres of the West.<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Variolation was a technique primarily studied in the East until around the 1700s. In 1721, <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC3407399\/\" target=\"_blank\" rel=\"noreferrer noopener\">Lady Mary Wortley Montague<\/a> was living in Constantinople with her husband, a British diplomat, and her family. She had recently recovered from a severe case of smallpox that left her <a href=\"https:\/\/www.historyofvaccines.org\/timeline#EVT_17\" target=\"_blank\" rel=\"noreferrer noopener\">disfigured<\/a> just before moving to Turkey with her family. When she heard about the practice of variolation from a local practitioner, she leapt at the chance to have her children inoculated against the deadly disease. Montague\u2019s experience spurred interest in smallpox inoculation back in Britain. Shortly after, James Jurin, Secretary of Britain\u2019s Royal Society, conducted an expansive survey of the efficacy of variolation. Perrot Williams and Richard Wright, who were doctors in Wales at the time, soon discovered that variolation had been a widespread tactic used by commoners in Wales as far back as the early 1600s. Similar processes known as \u201cbuying the pocks\u201d were discovered to be in practice in Scotland and across mainland Europe. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In the following century, variolation gained popularity across Europe and into the American colonies. It was not without its risks though, with a <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC1200696\/\" target=\"_blank\" rel=\"noreferrer noopener\">mortality rate around 2 percent<\/a>\u2014still a marked improvement to the average 14 percent mortality associated with the disease. But to put that in perspective, the mortality of smallpox variolation was about on par with the <a href=\"https:\/\/coronavirus.jhu.edu\/map.html\" target=\"_blank\" rel=\"noreferrer noopener\">current average mortality of Covid-19<\/a>. Most modern vaccines have mortality rates <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/23790993\/\" target=\"_blank\" rel=\"noreferrer noopener\">as low as 0.1%<\/a>, with severe adverse reactions typically relegated to elderly and immunocompromised patients. Despite the risks, variolation was still the most effective protection against smallpox for many years and it was widely used. Eventually, a safer more effective form of smallpox inoculation was developed by physician Edward Jenner, using the brand new technique known as vaccination.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"802\" src=\"https:\/\/i0.wp.com\/anyonecanscience.com\/wp-content\/uploads\/2021\/01\/Historic-Vaccines-Smallpox-in-1872-small.jpg?resize=1024%2C802&#038;ssl=1\" alt=\"People lining up to recieve a smallpox vaccination in 1872.\" class=\"wp-image-499\" srcset=\"https:\/\/i0.wp.com\/anyonecanscience.com\/wp-content\/uploads\/2021\/01\/Historic-Vaccines-Smallpox-in-1872-small.jpg?w=1024&amp;ssl=1 1024w, https:\/\/i0.wp.com\/anyonecanscience.com\/wp-content\/uploads\/2021\/01\/Historic-Vaccines-Smallpox-in-1872-small.jpg?resize=300%2C235&amp;ssl=1 300w, https:\/\/i0.wp.com\/anyonecanscience.com\/wp-content\/uploads\/2021\/01\/Historic-Vaccines-Smallpox-in-1872-small.jpg?resize=768%2C602&amp;ssl=1 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><figcaption>People lining up to recieve a smallpox vaccination in 1872.<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">In 1796, Edward Jenner, who was himself inoculated against smallpox as a child, made the observation that several dairymaids who had been infected with cowpox never contracted smallpox. Cowpox is much milder than smallpox, so many of these dairymaids were saved from the disfigurement and mortality associated with the smallpox infection. Seeing this apparent immunity, Jenner hypothesized that the two diseases must be related in some way such that exposure to one provides inoculation against the other. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">To test his hypothesis, Jenner recruited an 8-year-old boy to serve as his test subject (certainly not up to modern child-protection standards, but it was hardly a contentious issue at the time). He used infectious cowpox material he acquired from a dairymaid to inoculate the boy who subsequently developed a mild sickness. A couple of months later, Jenner exposed the boy to a fresh smallpox lesion. The boy experience no symptoms of developing smallpox, indicating that the cowpox inoculation was successful at providing immunity. Jenner ran several subsequent tests on the efficacy of cowpox using other young test subjects, including his 11-month-old son. The results supported his original hypothesis, and he was able to publish a paper on the study in 1798. In this paper, he coined the term \u201cvaccine\u201d from the Latin root <em>vacca<\/em> meaning cow. <\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"724\" src=\"https:\/\/i0.wp.com\/anyonecanscience.com\/wp-content\/uploads\/2021\/01\/Edward_Jenner_vaccinating_patients_against_smallpox_Wellcome_V0011069.jpg?resize=1024%2C724&#038;ssl=1\" alt=\"Political cartoon depicting Jenner's smallpox vaccine causing people to grow bovine deformations.\" class=\"wp-image-500\" srcset=\"https:\/\/i0.wp.com\/anyonecanscience.com\/wp-content\/uploads\/2021\/01\/Edward_Jenner_vaccinating_patients_against_smallpox_Wellcome_V0011069.jpg?w=1024&amp;ssl=1 1024w, https:\/\/i0.wp.com\/anyonecanscience.com\/wp-content\/uploads\/2021\/01\/Edward_Jenner_vaccinating_patients_against_smallpox_Wellcome_V0011069.jpg?resize=300%2C212&amp;ssl=1 300w, https:\/\/i0.wp.com\/anyonecanscience.com\/wp-content\/uploads\/2021\/01\/Edward_Jenner_vaccinating_patients_against_smallpox_Wellcome_V0011069.jpg?resize=768%2C543&amp;ssl=1 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><figcaption>Political cartoon depicting Jenner&#8217;s smallpox vaccine causing people to grow bovine deformations. <a href=\"https:\/\/commons.wikimedia.org\/wiki\/File:Edward_Jenner_vaccinating_patients_against_smallpox_Wellcome_V0011069.jpg\" target=\"_blank\" rel=\"noreferrer noopener\">See page for author<\/a>, <a href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\" target=\"_blank\" rel=\"noreferrer noopener\">CC BY 4.0<\/a> via Wikimedia Commons.<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">While there was initially pushback against this new technique of inoculation, it eventually gained popularity, replacing variolation completely by the mid-1800s. Through vaccination and strategic surveillance, smallpox was eradicated globally by the end of the 1900s. Jenner\u2019s discoveries were considered foundational to the modern understanding of immunology\u2014the study of how the body fights disease. Jenner\u2019s initial smallpox vaccine also introduced the concept of <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC4151719\/\" target=\"_blank\" rel=\"noreferrer noopener\">viral attenuation<\/a>. Attenuation is the weakening of a pathogen\u2019s virulence so that it is viable enough to produce immunity, but not viable enough to cause major harm or transmission. Jenner\u2019s smallpox vaccine was attenuated because it contained a weaker, animal-borne version of the virus. Later, a live attenuated rabies vaccine was created by cultivating the virus in an incompatible host\u2014chicken embryos or mice in this case. This method was inefficient and could not be done sterilely. But in the 1940s and 50s, the introduction of <em>in vitro<\/em> cell cultures made efficient laboratory virus attenuation possible. The MMR vaccine was developed in this way, isolated from an infected patient and attenuated through successive cell culturing.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vaccination with live attenuated viruses still has its downsides though\u2014a greater risk of developing infection symptoms and difficult, lengthy development. Another strategy for vaccination is using pathogens that are inactivated (essentially \u201cdead\u201d). This strategy had a lot of success early on for bacterial diseases like cholera and typhoid, but it proved harder to develop an effective inactive vaccine for viral diseases. The first real successful inactive viral vaccine was the <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC3782271\/\" target=\"_blank\" rel=\"noreferrer noopener\">inactivated polio vaccine (IPV) <\/a> developed by Jonas Salk. Salk grew the poliovirus in the kidney cells of monkeys and inactivated it with formalin. While this vaccine saved countless lives, it did come at a large cost\u2014nearly 1500 monkeys had to be sacrificed for every one million doses. Later on, enhanced cellular culturing techniques made it possible for the vaccine to be manufactured <em>in vitro<\/em> in <a href=\"https:\/\/www.understandinganimalresearch.org.uk\/news\/video-of-the-week\/sixty-years-of-the-polio-miracle-vaccine\/\" target=\"_blank\" rel=\"noreferrer noopener\">immortal human cell lines<\/a>.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/i0.wp.com\/anyonecanscience.com\/wp-content\/uploads\/2021\/01\/Vaccine-Light-small.jpg?resize=1024%2C683&#038;ssl=1\" alt=\"Vaccination campaigns have eliminated diseases like smallpox and polio.\" class=\"wp-image-501\" srcset=\"https:\/\/i0.wp.com\/anyonecanscience.com\/wp-content\/uploads\/2021\/01\/Vaccine-Light-small.jpg?w=1024&amp;ssl=1 1024w, https:\/\/i0.wp.com\/anyonecanscience.com\/wp-content\/uploads\/2021\/01\/Vaccine-Light-small.jpg?resize=300%2C200&amp;ssl=1 300w, https:\/\/i0.wp.com\/anyonecanscience.com\/wp-content\/uploads\/2021\/01\/Vaccine-Light-small.jpg?resize=768%2C512&amp;ssl=1 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><figcaption>Vaccination campaigns have eliminated diseases like smallpox and polio.<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">In recent years, vaccination research has turned to the study of subunit vaccines\u2014vaccines containing a specific protein, saccharide, or genetic component of a virus. These subunits engender a relatively mild immune response, so they often require boosters and chemical adjuvants, which stimulate the immune system. These vaccines can still create lasting immunity, and they can often be cheaper and easier to produce than whole inactivated vaccines.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Next week, we\u2019ll dive deeper into the world of immunity and explore how it guards you against infection. Check out my last blog post on <a href=\"https:\/\/anyonecanscience.com\/index.php\/2020\/04\/17\/the-war-against-viruses-part-1\/\" target=\"_blank\" rel=\"noreferrer noopener\">vaccines<\/a> from last spring and <a href=\"https:\/\/anyonecanscience.com\/index.php\/2020\/12\/11\/the-ghosts-of-science-past-part-1-lise-meitner-and-the-discovery-of-nuclear-fission\/\" target=\"_blank\" rel=\"noreferrer noopener\">last month\u2019s<\/a> series on <a href=\"https:\/\/anyonecanscience.com\/index.php\/2020\/12\/18\/the-ghosts-of-science-past-part-1-marie-maynard-daly-and-the-dangers-of-cholesterol\/\" target=\"_blank\" rel=\"noreferrer noopener\">influential<\/a> <a href=\"https:\/\/anyonecanscience.com\/index.php\/2020\/12\/25\/the-ghosts-of-science-past-part-3-vera-rubin-and-the-mysteries-of-dark-matter\/\" target=\"_blank\" rel=\"noreferrer noopener\">women in science<\/a>! Comment on this post or email me at <a href=\"mailto:contact@anyonecanscience.com\">contact@anyonecanscience.com<\/a> to let me know what you think about this week\u2019s blog post and tell me what sorts of topics you want me to cover in the future. And subscribe below for weekly science posts sent straight to your email!<\/p>\n\n\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>As we finally exit the long slog that was 2020 and enter the new year, the topic on everyone\u2019s mind right now is vaccination. With the recent FDA approval of both the Moderna and Pfizer\/BioNTech vaccines, many of our long-standing questions and concerns about vaccination have come to the forefront of public consciousness\u2014especially since these new vaccines are pioneering a relatively novel method of vaccination. Vaccination itself may seem like a relatively recent endeavor, a product of 20th-century science and public health initiatives. And while the first laboratory-concocted vaccine wasn\u2019t created until 1879, the legacy of vaccines and inoculation against&#8230;<\/p>\n<div class=\"more-link-wrapper\"><a class=\"more-link\" href=\"https:\/\/anyonecanscience.com\/index.php\/2021\/01\/08\/preparing-the-body-for-battle-part-1-the-long-history-of-vaccination\/\">Continue reading<span class=\"screen-reader-text\">Preparing the Body for Battle: Part 1\u2014The Long History of Vaccination<\/span><\/a><\/div>\n","protected":false},"author":1,"featured_media":502,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"As we return in 2021, this week's blog is kicking off a series on vaccines with a look at a history of how they were developed. Check it out and subscribe for weekly science emails sent straight to your inbox! #vaccination #anyonecanscience","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[201],"tags":[221,217,218,223,222,199,220,216,20,219],"class_list":["post-503","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-history-of-science","tag-cowpox","tag-edward-jenner","tag-jonas-salt","tag-measles","tag-polio","tag-science-history","tag-smallpox","tag-vaccination","tag-vaccine","tag-variolation","entry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Preparing the Body for Battle: Part 1\u2014The Long History of Vaccination<\/title>\n<meta name=\"description\" content=\"As we finally exit the long slog that was 2020 and enter the new year, the topic on everyone\u2019s mind right now is vaccination. With the recent FDA approval of both the Moderna and Pfizer\/BioNTech vaccines, many of our long-standing questions and concerns about vaccination have come to the forefront of public consciousness\u2014especially since these new vaccines are pioneering a relatively novel method of vaccination. Vaccination itself may seem like a relatively recent endeavor, a product of 20th-century science and public health initiatives. And while the first laboratory-concocted vaccine wasn\u2019t created until 1879, the legacy of vaccines and inoculation against deadly pathogens stretches back to as early as the year 1000.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/anyonecanscience.com\/index.php\/2021\/01\/08\/preparing-the-body-for-battle-part-1-the-long-history-of-vaccination\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Preparing the Body for Battle: Part 1\u2014The Long History of Vaccination\" \/>\n<meta property=\"og:url\" content=\"https:\/\/anyonecanscience.com\/index.php\/2021\/01\/08\/preparing-the-body-for-battle-part-1-the-long-history-of-vaccination\/\" \/>\n<meta property=\"og:site_name\" content=\"Science You Can Bring Home To Mom\" \/>\n<meta property=\"article:published_time\" 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