“…The most mentioned signs/symptoms in the research were the breathing ones 14,15,20,21,[31][32][33] , including oxygen saturation drop, pneumonia, the crying baby syndrome, cyanosis, among others, followed by regurgitation 16,18,31,32,35 and vomiting 18,21,32,33 , confirming another research 2 that cited these ones as being the main clinic signs and symptoms.…”