By LAURAN NEERGAARD
AP Medical Writer
Next week brings a marathon of hearings as the U.S. decides whether to open COVID-19 vaccinations to kids under 5. On Wednesday, both Moderna and Pfizer will argue their case. Each company aims to offer a different dose and number of shots. If the Food and Drug Administration authorizes one or both type of shot, there’s still another question: Should all tots get vaccinated or just those at high risk? Kids under 5 are the only group not yet eligible for COVID-19 vaccination in the U.S. If all the steps fall into place, the shots should be available later this month.