“Don’t kiss your newborn relative” sounds like a pretty harsh piece of advice, but according to doctor Karan Rajan, it’s got a strong scientific basis. In a recent TikTok, the doctor stitched a video of an aunt who put clingfilm around her mouth before giving her sister’s child a smooch on the forehead. “You’ll be shocked how many people don’t know this, and this information is massively important” he explained.“If you own a tiny human or regularly come into contact with one,” he said, there are “rules of baby visiting club”.Which are?Dr. Rajan says most of us know to wash our hands before touching the child. But he adds, “do not kiss a newborn unless you’re their parent or main carer”.Even then, he says you should refrain from giving them a peck on the forehead if you’re infected or don’t feel well. “This