More COVID-19 shots, studies offer hope for US schools

Lauren Debroeck, who is on oxygen as she recovers from COVID-19, talks to her husband, Michael, who also contracted COVID-19 and is being kept alive with the help of an oxygenation machine, at the Willis-Knighton Medical Center in Shreveport, La., Wednesday. (AP Photo/Gerald Herbert)

Shahir Sanchez, 5, grimaces as Dr. Neal Schwartz collects a nasal swab sample for COVID-19 testing on Thursday. (AP Photo/Jae C. Hong)

Winston Wallace, 9, raises his hand in class at iPrep Academy on the first day of school in Miami on Monday. Officials offered new hope for the safety of U.S. schoolchildren threatened by COVID-19 on Friday as Gulf Coast hospitals already full of unvaccinated patients braced for the nightmare scenario of a major hurricane causing a wave of fractures, cuts and heart attacks without enough staff to treat the injured. (AP Photo/Lynne Sladky, File)

WASHINGTON — Officials offered new hope for the safety of U.S. schoolchildren threatened by COVID-19 on Friday as Gulf Coast hospitals already full of unvaccinated patients braced for the nightmare scenario of a major hurricane causing a wave of fractures, cuts and heart attacks without enough staff to treat the injured.