So COVID could have certainly been a contributing factor in this infants death. Additionally, a death certificate isn't necessarily limited to a single cause. If someone goes into the hospital because they fell and now have a brain bleed, but while in the hospital they aspirate food, get pneumonia, and die of sepsis, what is the real cause of death? Had they not had the brain bleed they may not have aspirated their food. But the sepsis is really what killed them, not the bleed or the aspirated food.
Of course I know nothing about what is actually written in this kid's medical record, and have no idea if this child was suffering from a cold, had a snotty nose, or anything like that due to COVID. But I have seen multiple kids that have a cold and congested upper airways stop breathing while they're sleeping. Were they predisposed to SIDS and the cold pushed them over the edge? Or was it the cold on its own?
Just my thoughts.