1M views · 268 reactions | "This is one of the most contagious diseases out there," says Dr. Sanjay Gupta on the 34 confirmed measles cases in Washington state. "Of those 34, we know that 30 were not vaccinated." https://cnn.it/2SayzGN | CNN Replay | Facebook

14K views · 36 reactions | With the rapid spread of the omicron variant of COVID-19, when are people who have contracted the virus most contagious? More info: https://on.nbcdfw.com/KPEhxPa | NBC DFW | Facebook

22K views · 156 reactions | Contagious laughter is the kind that comes spontaneously, spreads uncontrollably and transforms even the grayest day into a moment of light. It is a universal language, capable of uniting people without the need for words. #laughter #contagiouslaughter #spontaneously #universallanguage #laughmore #smilesandlaughter #happywoman #smilingisgoodforyou | Giovanna Chicco | Facebook