My 12 week old has a virus (courtesy of the 3y/o). She keeps vomiting and spiking fevers. We've already had to stay in hospital overnight because her temperature was high and heart rate high when temperature was down with Calpol. They determined, as I said, it is just the virus that her sister had and weren't worried. But I'm still stressed! She's so little and seems so poorly. It's that newborn are they going to die in their sleep turbocharged.