A "signal" requires urgent action.
Schmitt
Heinz-J
HJ
D003627:Data Interpretation, Statistical; D003644:Death Certificates; D005858:Germany / Q000453:epidemiology; D006801:Humans; D007223:Infant; D007226:Infant Mortality; D011639:Public Opinion; D013398:Sudden Infant Death / Q000453:epidemiology*; D035502:Trust; D014611:Vaccination / Q000706:statistics & numerical data; D017778:Vaccines, Combined / Q000009:adverse effects*
D017778:Vaccines, Combined