What’s Up With The Spike In Hepatitis Among Young Kids? This spring, there’s been a strange spike in hepatitis cases among young children. Hepatitis can leave kids with stomach pain, jaundice, and a generally icky feeling. 169 cases have been recorded globally, and one death. A majority of these cases have been found in the United Kingdom, with the others in Spain, Israel, and the U.S. The sudden rise in cases is unusual, and physicians are trying to unlock the mystery of where this is coming from. Joining guest host Umair Irfan to talk about this story and other science news of the week, including the holdup over COVID-19 vaccines for kids under five years old, is Science Friday producer Kathleen Davis.   COVID-19 Vaccines Are Some Divorced Parents’ Newest Divide Heather and Norm have had their share of disagreements. Their separation seven years ago and the ensuing custody battle were contentious. But over the years, the pair has found a way to weather disputes cordially. They’ve made big decisions together and checked in regularly about their two kids, now ages 9 and 11. But the rhythm of give and take they so carefully cultivated came to an abrupt end last fall, when it came time to decide whether to vaccinate their kids against COVID-19 — Heather was for it; Norm was against. (WHYY News has withheld their last names to protect the privacy of their children.) In Pennsylvania, decisions about children’s health must be made jointly by parents with shared legal custody, so the dispute went to court. And Heather and Norm weren’t the only ones who couldn’t come to an agreement on their own. In the months since the vaccine was approved for children, family court judges across the commonwealth have seen skyrocketing numbers of similar cases: Divorced parents who can’t agree on what to do. Read the rest at sciencefriday.com.   Why Sharing Viruses Is Good… For Science The COVID-19 pandemic has sparked an unprecedented era of global scientific collaboration. Just a few days after the SARS-CoV-2 virus was isolated, its genomic sequence was posted online and accessible to researchers around the world. Scientists quickly went to work trying to understand this brand new pathogen, and began to counter it with treatments and vaccines. But genetic sequences have their limits, and scientists also have to work with the real viruses. Sometimes there’s no substitute for a specimen. Sharing pathogens across borders is where things get a lot more complicated. A web of international laws govern some, but not all aspects of how pathogens are shared and stored. Science isn’t the only factor here—global politics shape responses to the tracking and detection of disease. What happens if countries are not on the friendliest terms with each other, or if they aren’t up to the same safety standards? Could viruses be misused or mishandled, potentially escaping containment? There are some historical examples that could be instructive. And while the COVID-19 pandemic spurred cooperation between scientists, some governments downplayed or misled the world about the state of the pandemic. Does misinformation remain a threat, and if so, how can we prevent it? Guest host Umair Irfan talks with Amber Hartman Scholz, head of science policy at Leibniz Institute DSMZ German Collection of Microorganisms and Cell Cultures based in Braunschweig, Germany, to unpack the complex system of scientific virus sharing, and the importance of developing a better process.   Transcripts for each segment will be available the week after the show airs on sciencefriday.com.