Possible Biological Explanations for Kids’ Escape from COVID-19
Possible Biological Explanations for Kids’ Escape from COVID-19
Infected children may harbor SARS-CoV-2 while showing less-severe symptoms than adults. Their young immune systems, ACE2 receptor levels, and even exposure to other coronaviruses might play a role in their resilience.
Possible Biological Explanations for Kids’ Escape from COVID-19
Possible Biological Explanations for Kids’ Escape from COVID-19

Infected children may harbor SARS-CoV-2 while showing less-severe symptoms than adults. Their young immune systems, ACE2 receptor levels, and even exposure to other coronaviruses might play a role in their resilience.

Infected children may harbor SARS-CoV-2 while showing less-severe symptoms than adults. Their young immune systems, ACE2 receptor levels, and even exposure to other coronaviruses might play a role in their resilience.

immune system
Why Some COVID-19 Cases Are Worse than Others
Why Some COVID-19 Cases Are Worse than Others
Katarina Zimmer | Feb 24, 2020
Emerging data as well as knowledge from the SARS and MERS coronavirus outbreaks yield some clues as to why SARS-CoV-2 affects some people worse than others.
Image of the Day: Brainless Frogs
Image of the Day: Brainless Frogs
Amy Schleunes | Feb 18, 2020
Without a brain, the frog embryo immune system doesn’t receive the signals it needs to mobilize macrophages and fight infections.
Viruses Mediate Interactions Between Bacteria and Sponges: Study
Viruses Mediate Interactions Between Bacteria and Sponges: Study
Catherine Offord | Jan 13, 2020
A newly identified group of viruses may help suppress eukaryotes’ immune response and promote tolerance of endosymbiotic bacteria.
Infographic: Phage Protein Helps <em>E. coli</em> Evade Mouse Immune Cells
Infographic: Phage Protein Helps E. coli Evade Mouse Immune Cells
Catherine Offord | Jan 13, 2020
Researchers suggest the viruses can help endosymbiotic bacteria get along with their hosts.
Time Spent in Nature Is Good for You
Time Spent in Nature Is Good for You
Jef Akst | Oct 1, 2019
Research has repeatedly suggested that spending time in natural environments improves mental and physical well-being. Now, scientists are gathering the data needed to incorporate this phenomenon in health-care guidelines.
Scientists Study Vaping&rsquo;s Harm as Second Death Reported
Scientists Study Vaping’s Harm as Second Death Reported
Nicoletta Lanese | Sep 5, 2019
In light of recent reports of electronic-cigarette–related illness and death, UNC Chapel Hill professor Robert Tarran discusses the dangerous effects of e-liquids on the lungs.
Image of the Day: Gut Response
Image of the Day: Gut Response
Chia-Yi Hou | Jun 24, 2019
Immune functions in the mouse intestine differ by segment.
Pioneering Immunologist Teruko Ishizaka DiesPioneering Immunologist Teruko Ishizaka Dies
Pioneering Immunologist Teruko Ishizaka Dies
Ashley Yeager | Jun 14, 2019
With her husband, she studied allergic reactions and identified antibodies that set off itching, wheezing, and rashes.
Image of the Day: Training Day
Image of the Day: Training Day
Chia-Yi Hou | May 24, 2019
A video captures T cells learning to recognize cells from the body that shouldn’t be attacked.