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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.

vaccine, disease & medicine

Dicks Sporting Goods Park stadium from a distance with mountains in the background
J&J COVID-19 Vaccinations Resume After Temporary Shutdowns
Shawna Williams | Apr 9, 2021 | 3 min read
Vaccinations with the Johnson & Johnson jab paused at several sites earlier this week after an unusual number of people experienced adverse reactions, but the CDC says there’s no cause for concern.
Bile and Potatoes, 1921
Jef Akst | Apr 1, 2021 | 3 min read
One hundred years after its invention, BCG has stood the test of time as a vaccine against tuberculosis.
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, coronavirus, pandemic, vaccine, vaccine trials, combination, mix and match, immunity, antibodies, T cells, Pfizer, Moderna, AstraZeneca, clinical trials
COVID-19 Vaccine Combos Aim to Boost Immunity
Asher Jones | Mar 9, 2021 | 6 min read
Mix-and-match shots could simplify vaccine rollout and stimulate more-robust immune responses. Ongoing clinical trials will soon give answers.
Variant Found in Brazil Could Evade Immunity from Past Infection
Lisa Winter | Mar 2, 2021 | 2 min read
The P.1 variant, which has also been detected in five US states, could be responsible for cases of reinfection, according to a preprint.
COVID-19, SARS-CoV-2, Johnson & Johnson, Pfizer, Moderna, vaccine, vaccination, variant, FDA
US Authorizes a Third COVID-19 Vaccine
Asher Jones | Mar 1, 2021 | 2 min read
Johnson & Johnson’s one-shot immunization could reach people’s arms as early as March 2.
COVID-19, coronavirus, SARS-CoV-2, pandemic, virus, vaccine, vaccination, Pfizer, AstraZeneca
COVID-19 Hospitalizations Tank a Month After Vaccines Roll Out
Asher Jones | Feb 23, 2021 | 2 min read
Two preliminary reports from the UK provide real-world evidence in support of the Pfizer/BioNTech and Oxford-AstraZeneca vaccines.
COVID-19, SARS-CoV-2, coronavirus, pandemic, pseudovirus, chimeric virus, disease & medicine, techniques, HIV, VSV, vaccine, variants, mutations
What Pseudoviruses Bring to the Study of SARS-CoV-2
Amanda Heidt | Feb 16, 2021 | 7 min read
Engineered viruses that don’t replicate provide a tractable model for scientists to safely study SARS-CoV-2, including research into vaccine efficacy and emerging variants.
SARS-CoV-2 with Genomic Deletions Escapes an Antibody
Abby Olena, PhD | Feb 16, 2021 | 4 min read
Researchers identify deletions in the N-terminal domain of the spike protein that allow the coronavirus to avoid antibody neutralization and that may contribute to the emergence of new variants.
Second Person Dies in Latest Ebola Outbreak in DRC
Catherine Offord | Feb 11, 2021 | 2 min read
The woman may have had a link to another person, who was married to an Ebola survivor and who died a few days previously in Democratic Republic of Congo.
Pfizer, SARS-CoV-2, COVID-19, pandemic, coronavirus, vaccine, vaccination, Israel, B.1.1.7, B.1.351, variant, disease
Pfizer’s COVID-19 Vaccine Reduces Viral Load: Study
Asher Jones | Feb 10, 2021 | 2 min read
Preliminary results from an Israel-based study suggest that one dose of the vaccine reduces infectiousness—a key factor in slowing virus spread.
SARS-CoV-2, COVID-19, coronavirus, pandemic, virus, vaccine, vaccination, outbreak, infectious disease, Johnson & Johnson, Moderna, Pfizer, drug development
One-Shot COVID-19 Vaccine Prevents Severe Disease
Asher Jones | Jan 29, 2021 | 2 min read
Johnson & Johnson’s vaccine is less effective at preventing COVID-19 than other approved vaccines are, but experts say it could still be an important tool in curbing the pandemic.
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.
images related to COVID research
What’s Ahead for SARS-CoV-2 Research in 2021
Shawna Williams | Jan 8, 2021 | 5 min read
From new treatments to an investigation into the virus’s origins, here are some of the developments we can expect this year.
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.
An End in Sight
Bob Grant | Jan 1, 2021 | 2 min read
Last year humanity confronted our biggest challenge in a century. Science helped us see the light at the end of the tunnel. But we need to keep moving forward to emerge.
Ten Minute Sabbatical
The Scientist | Dec 1, 2020 | 3 min read
Take a break from the bench to puzzle and peruse.
Science Is My Copilot
Bob Grant | Dec 1, 2020 | 3 min read
As the world around us seems increasingly volatile, protecting and respecting the integrity of research and evidence becomes more important than ever.
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.
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