The 4th wave of COVID-19 was the most damaging to Vietnam so far. The Health Ministry, to instruct the people to stay safe, issued the 5K message. Still, it was dry and lengthy and Lifebuoy set out to transform it into something more…catchy. So hunters jumped it, set music to the message, and born was an addictive melody. Learned in just a few seconds, the youthful yet informative melody spurred a dance competition, spread far and wide via TikTok, and immediately became a national sensation.