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In one of the only known photos of Abraham Lincoln taken on the day of the Gettysburg Address, Lincoln can be seen seated, hatless, just below and to the right of the flag. Lincoln began developing symptoms of smallpox on the train home to Washington, DC.
Presidential Pox, 1863
Researchers continue to debate whether US President Abraham Lincoln was coming down with smallpox as he delivered his famous Gettysburg Address, and if he had been immunized.
Presidential Pox, 1863
Presidential Pox, 1863

Researchers continue to debate whether US President Abraham Lincoln was coming down with smallpox as he delivered his famous Gettysburg Address, and if he had been immunized.

Researchers continue to debate whether US President Abraham Lincoln was coming down with smallpox as he delivered his famous Gettysburg Address, and if he had been immunized.

vaccination, immunology, disease & medicine

AstraZeneca, University of Oxford, vaccine, COVID-19, SARS-CoV-2, pandemic, coronavirus, vaccination, safety, Europe
Oxford/AstraZeneca COVID-19 Vaccine on Hold in Some Countries
Asher Jones | Mar 12, 2021 | 2 min read
Rollouts of the shot have ground to a halt following reports of blood clots, but health authorities say that these fears are unfounded and vaccination programs should continue.
COVID-19, SARS-CoV-2, pandemic, B.1.1.7, 501Y.V2, B.1.351, vaccine, immunity, virus, coronavirus, Moderna, South Africa, variant
Moderna Developing Booster Shot for New Virus Variant B.1.351
Asher Jones | Jan 25, 2021 | 2 min read
New data suggest that the company’s approved COVID-19 vaccine protects against different virus variants, but could be less effective against the one that originated in South Africa.
South African SARS-CoV-2 Variant Alarms Scientists
Max Kozlov | Jan 5, 2021 | 3 min read
An additional mutation in the spike protein of the coronavirus may help it elude antibody recognition, and scientists are investigating if current vaccines will protect against it.
Immunity to SARS-CoV-2 Lasts at Least Six Months, Data Show
Ashley Yeager | Nov 23, 2020 | 4 min read
Half a year after infection, people who had recovered from COVID-19 had robust antibodies, along with traces of the virus in their gut, which may drive long-lasting immunity.
Infographic: How Vaccines Train Innate Immunity
Shawna Williams | Nov 1, 2020 | 1 min read
A recent study elucidates some of the changes that occur in the body after inoculation with a tuberculosis vaccine.
More SARS-CoV-2 Reinfections Reported, But Still a Rare Event
Ashley Yeager | Oct 26, 2020 | 5 min read
Repeat COVID-19 cases could offer clues about people’s immunity to the novel coronavirus and how to vaccinate against it.
Moderna’s Coronavirus Vaccine Spurs Immune Response: Early Data
Ashley Yeager | May 18, 2020 | 3 min read
A clinical trial of the shot in eight volunteers suggests that it is safe and that it generates antibodies that neutralize SARS-CoV-2, but further testing is needed, scientists say.
Measles Leaves the Immune System Vulnerable to Other Diseases
Ruth Williams | Oct 31, 2019 | 4 min read
Two studies present biological evidence that measles infections in unvaccinated children wipe out immune memories of other pathogens, putting the kids at risk of other deadly diseases.
Laskers Go to Immunologists, Developers of Breast Cancer Therapy
Jef Akst | Sep 10, 2019 | 1 min read
The 2019 Lasker medical and research awards celebrate advances in scientists’ understanding of T and B cells, Herceptin antibodies for treating breast cancer, and vaccine coverage around the globe.
First Universal Flu Vaccine to Enter Phase 3 Trial
Ashley P. Taylor | Nov 12, 2018 | 7 min read
Numerous experimental vaccines that aim to provide multi-season protection are in human studies.
This Flu Season Killed 172 Kids
Sukanya Charuchandra | Jun 11, 2018 | 1 min read
Vaccination reduced the risk of death by two-thirds for children with no other health problems.  
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