A vial containing a red blood sample is balanced on its end on a table or desk by someone wearing a blue medical glove on their right hand
New Evidence Shows COVID-19 Was in US Weeks Before Thought
Some of the blood specimens collected in the United States for the NIH’s All of Us research program starting on January 2, 2020, have antibodies against SARS-CoV-2.
New Evidence Shows COVID-19 Was in US Weeks Before Thought
New Evidence Shows COVID-19 Was in US Weeks Before Thought

Some of the blood specimens collected in the United States for the NIH’s All of Us research program starting on January 2, 2020, have antibodies against SARS-CoV-2.

Some of the blood specimens collected in the United States for the NIH’s All of Us research program starting on January 2, 2020, have antibodies against SARS-CoV-2.

limb development, immunology
A scanning electron micrograph of a fetal gut, pseudocolored in yellow and blue
Microbes in Human Fetuses Spur Immune Development
Abby Olena | Jun 3, 2021
Researchers identify live bacteria in fetal guts, skin, lungs, and placentas that activate memory T cells, indicating that early exposure to microbes could help educate the developing immune system.
Mucosal Vaccines Protect Mice from Viruses, Cancer
Emma Yasinski | Jun 1, 2021
Scientists use a protein found in mucus membranes to ferry vaccines to the lymph nodes.
A hospital corridor with empty gurney
Severe Symptoms of MIS-C Typically Clear Within Six Months: Study
Catherine Offord | May 26, 2021
Some children who experience the severe inflammatory condition after COVID-19 may continue to experience milder problems such as muscle weakness or anxiety even after that period, according to a small observational study in the UK.
US and Chinese flags
Ohio State Researcher Sentenced to Prison for Secret China Ties
Lisa Winter | May 17, 2021
Rheumatologist Song Guo Zheng pleaded guilty in November to delivering US-funded research to China.
Close-up shot of smooth cauliflower polyps
Comprehensive Atlas of Reef-Building Coral’s Cells Created
Christie Wilcox | May 13, 2021
Single-cell RNA sequencing helps to catalog the dozens of cell types present in a stony coral, including its elusive immune cells.
Transmission electron microscope image of Zika virus particles
T Cell–Boosting Zika Vaccine Protects Mice from the Virus
Ruth Williams | May 12, 2021
By avoiding the production of antibodies, something vaccines ordinarily induce, the immunization sidesteps the problem of antibody-dependent enhancement, which can amplify infection by a similar virus and is known to occur with dengue and Zika.
An illustration of a DNA double helix in gold with texture
Gene Therapy Continues to Benefit Kids with Immunodeficiency
Jef Akst | May 12, 2021
Four dozen children with severe combined immunodeficiency (SCID) who received a corrective gene carried by a virus have working immune systems two to three years later, according to three independent clinical trials.
liquid-containing tube labeled Laboratory Test Wastewater Sample SARS-CoV-2
Sewage Sampling Robots Speed SARS-CoV-2 Detection
Ruth Williams | May 1, 2021
An automated wastewater monitoring technique could enable researchers to predict outbreaks of the virus up to a week in advance.
Infographic: How to Ferret Out SARS-CoV-2 in Sewage
Ruth Williams | May 1, 2021
Researchers use magnetic nanoparticles and liquid-handling robots in an effort to detect COVID-19 outbreaks early.
Conceptual illustration of cells releasing cytokines in various shades of blue
Spleen-to-Liver Signals Control Systemic Inflammation
Ruth Williams | Apr 29, 2021
In rats, the spleen directs a cytokine surge that drives system-wide inflammation, but it is not, as once believed, the main producer of the chemical messenger.
johnson & johnson johnson&johnson j&j janssen covid-19 vaccine vaccination pandemic adenovirus vector blood clot side effect cerebral venous sinus thrombosis CVST sars-cov-2 coronavirus pandemic astrazeneca
US Health Authorities Ask for Pause in J&J COVID-19 Vaccination
Kerry Grens | Apr 13, 2021
The FDA and CDC are investigating a handful of reports of blood clots that occurred several days after people received the one-and-done shot.
mis-c multisystem inflammatory syndrome in children covid-19 coronavirus pandemic sars-cov-2 antibody cardiac inflammation icu intensive care kids infection vomiting abdominal pain diarrhea fever
Most Kids with MIS-C Report Few or No COVID-19 Symptoms: Study
Kerry Grens | Apr 7, 2021
A review of hundreds of cases finds that only a minority of patients noted being sick with a coronavirus infection prior to developing the severe inflammatory condition.
gamma delta t cell intestine gut mouse mice diet nutrient epithelial cell remodeling immune system
Mysterious Immune Cells Change the Gut Lining to Accommodate Diet
Annie Melchor | Apr 6, 2021
A study shows gamma-delta T cells in mice respond to shifts in nutrients by changing the cellular composition of the intestinal epithelium.