Long-haul COVID-19 can happen in kids, too

• Of the more than 3 million U.S. children who have tested positive for the virus, few have been hospitalized and even fewer have died.
• "But some children — whether they had mild or severe cases, or no symptoms at all — are developing problems that last for weeks or months after their initial infection," the Post reports.
• Symptoms include fatigue, headache and heart palpitations.

Between the lines: Early on in the pandemic, when many children were staying home, long COVID seemed to be a condition reserved for adults. But as schools and sports reopened, more children became infected, and it became clear that children are also vulnerable.

Go deeper: Experts look into whether COVID vaccines could help long-haulers