Bile and Potatoes, 1921
Bile and Potatoes, 1921
One hundred years after its invention, BCG has stood the test of time as a vaccine against tuberculosis.
Bile and Potatoes, 1921
Bile and Potatoes, 1921

One hundred years after its invention, BCG has stood the test of time as a vaccine against tuberculosis.

One hundred years after its invention, BCG has stood the test of time as a vaccine against tuberculosis.

vaccine trials
COVID-19 Vaccine Combos Aim to Boost Immunity
COVID-19 Vaccine Combos Aim to Boost Immunity
Asher Jones | Mar 9, 2021
Mix-and-match shots could simplify vaccine rollout and stimulate more-robust immune responses. Ongoing clinical trials will soon give answers.
One-Shot COVID-19 Vaccine Prevents Severe Disease
One-Shot COVID-19 Vaccine Prevents Severe Disease
Asher Jones | Jan 29, 2021
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.
2020 in Scientists’ Own Words
2020 in Scientists’ Own Words
Abby Olena | Dec 23, 2020
The world was rocked by the COVID-19 pandemic this year, but researchers rose to all manner of challenges.
Infographic: How Vaccines Train Innate Immunity
Infographic: How Vaccines Train Innate Immunity
Shawna Williams | Nov 1, 2020
A recent study elucidates some of the changes that occur in the body after inoculation with a tuberculosis vaccine.
How Some Vaccines Protect Against More than Their Targets
How Some Vaccines Protect Against More than Their Targets
Shawna Williams | Nov 1, 2020
As researchers test existing vaccines for nonspecific protection against COVID-19, immunologists are working to understand how some inoculations protect against pathogens they weren’t designed to fend off.
Trials Unlikely to Show if COVID-19 Vaccine Prevents Severe Cases
Trials Unlikely to Show if COVID-19 Vaccine Prevents Severe Cases
Max Kozlov | Oct 30, 2020
A vaccine expert explains that such answers likely won’t come until a vaccine has already been approved and administered to millions of people.
A Challenge Trial for COVID-19 Would Not Be the First of Its Kind
A Challenge Trial for COVID-19 Would Not Be the First of Its Kind
Jef Akst | Oct 8, 2020
Although scientists debate the ethics of deliberately infecting volunteers with SARS-CoV-2, plenty of consenting participants have been exposed to all sorts of pathogens in prior trials.
COVID-19 Vaccine Trial Pauses After Adverse Reaction
COVID-19 Vaccine Trial Pauses After Adverse Reaction
Amanda Heidt | Sep 9, 2020
The hold will likely delay trial results, and scientists say the pause is proof that safety protocols in clinical trials are working as they should.
Russia Approves World’s First Coronavirus Vaccine
Russia Approves World’s First Coronavirus Vaccine
Jef Akst | Aug 11, 2020
Some researchers express skepticism given the lack of data about the vaccine’s safety and efficacy, and the country plans to vaccinate healthcare workers, teachers, and others even before testing is complete.