The average human has about 1.8 trillion immune cells. These cells patrol the body for bacteria, viruses, cancers, and other threats. Vaccines enhance this security system by teaching our immune cells to target specific pathogens. ...
22 hours ago
0
4
We're keeping an eye on new influenza and SARS-CoV-2 viral variants. Here's what we know about those viruses—and your immune system's ability to fight back.
Apr 13, 2026
0
19
Two major medical groups will begin reviewing vaccine safety and effectiveness after major changes at the U.S. Centers for Disease Control and Prevention (CDC) have raised alarms among experts.
Feb 12, 2026
0
7
Six days after a senior FDA official sent a sweeping internal email claiming that COVID vaccines had caused the deaths of "at least 10 children," 12 former FDA commissioners released an extraordinary warning in the Dec. 3 ...
Dec 22, 2025
0
13
While life expectancy across the U.S. declined significantly during the COVID-19 pandemic, a new study led by researchers at the University of Hawaiʻi Thompson School of Social Work & Public Health and the Hawaiʻi State Department ...
Dec 15, 2025
0
10
Lymph nodes are a key part of the human immune system, whose primary function is to combat infections. The effectiveness of vaccines is based on their ability to trigger events in lymph nodes that lead to the development ...
Aug 18, 2025
0
74
The U.S. government is offering another round of free COVID-19 tests, which will be available by the end of September.
Sep 26, 2024
0
54
A team from the Yong Loo Lin School of Medicine at the National University of Singapore (NUS Medicine) and Monash University has engineered a COVID-19 vaccine that induced—in pre-clinical models—very long-lasting, protective ...
Jun 4, 2024
0
146
Although immunologists have developed a deep reservoir of knowledge illuminating how antibodies respond to vaccination against SARS-CoV-2, little is known about the elusive cells that produce infection-fighting antibodies.
A long-term analysis conducted by leading microbiologists at the Icahn School of Medicine at Mount Sinai reveals that antibody responses induced by COVID-19 vaccines are long-lasting. The study results, published online in ...
Feb 26, 2024
0
66
