<br><div><aside class="gnt_em gnt_em__fp gnt_em_vp__tp gnt_em__el" aria-label="Video - Coronavirus: How coronavirus COVID-19 attacks the body"/><p class="gnt_ar_b_p">Adam Millar was 18 when he started to experience a cold that wouldn't go away.</p><p class="gnt_ar_b_p">It was the middle of hockey season, so he brushed his symptoms off. After what seemed like two or three months of a cough and fatigue, his cold progressed. "I didn't even have the energy to stand to brush my teeth," he told USA TODAY.</p><p class="gnt_ar_b_p">Millar's heart was in failure, he later found out. Heart failure — often caused by myocarditis,<strong> </strong>an inflammation of the heart muscle — is a rare condition for teens and young adults. It's more common in older people, often the result of heart function declining over a period of years.</p><p class="gnt_ar_b_p">Yet, since the beginning of the pandemic, a very<strong/>small subset of young people infected with COVID-19 have developed heart failure.</p><aside aria-label="advertisement" class="gnt_m gnt_x gnt_x__lbl gnt_x__al"/><p class="gnt_ar_b_p"><strong class="gnt_ar_b_al">Yes, kids can get COVID-19:</strong><a target="_blank" href="/story/news/nation/2020/11/17/covid-19-over-1-million-kids-infected-study/6324129002/" rel="noopener" data-t-l="|inline|intext|n/a" class="gnt_ar_b_a">More than 1 million have been infected in U.S. since the pandemic's start, report says</a></p><p class="gnt_ar_b_p">This summer, doctors in New York reported a 2-month-old boy diagnosed with COVID-19 later suffered from heart failure, signaling yet another COVID-19 complication for kids.</p><p class="gnt_ar_b_p">The boy had been choking, later turning blue, despite no prior fever, cough or other sign of infection, doctors reported in the <a target="_blank" href="https://www.jacc.org/doi/10.1016/j.jaccas.2020.09.031" rel="noopener" data-t-l="|inline|intext|n/a" class="gnt_ar_b_a">Journal of the American College of Cardiology</a>.</p><aside aria-label="advertisement" class="gnt_m gnt_x gnt_x__lbl gnt_x__al"/><p class="gnt_ar_b_p">That infant represents<strong> </strong>the youngest-known case of myocarditis caused by COVID-19, Dr. Madhu Sharma told MedPage Today. Sharma is a doctor at the Children's Hospital at Montefiore at New York City and contributed to the case report.</p><p class="gnt_ar_b_p">But that isn't the first case of myocarditis in young people...</p></div> <style> .wrapper { text-align: center; } </style> <div class="wrapper"> <a class="button" href ="https://www.usatoday.com/story/news/health/2021/01/01/covid-symptoms-complications-kids-heart-failure/3924481001/">Read more <span>➤</span></a> </div>