ScienceCOVID-19 FAQs: Immunity, babies, and a songTo play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScienceConor Dillon | Gabriel Borrud02/17/2021February 17, 2021Do vaccines actually stop people from spreading COVID-19? And is it important for them to do so? Also, did the lockdowns cause a baby boom, or was it a baby bust? And finally, a mysterious sound from nearly 20,000 years ago.https://p.dw.com/p/3pV0YAdvertisement