A first-time mom’s lighthearted TikTok video demonstrating her decision not to allow close relatives to kiss her newborn sparked a major debate online. But doctors and pediatric infectious disease experts say the mom spurred an important conversation — and there are serious health risks everyone should consider when visiting a new baby. Haeli Christiansen told People magazine in an article published Tuesday that she did not expect her post with her mom to go viral. In the TikTok video posted on