The child tested positive for influenza A, which could indicate a range of viruses, from seasonal flu to avian flu.
The FDA says the hold is related to concerns about safety findings from a now-paused clinical trial of two RSV vaccine candidates in infants.
Hepatitis A virus and vaccinia virus showed evidence for sexual transmission but no evidence for detection in the semen.
Infectious disease information from CIDRAP.
Discussion & analysis on the latest infectious disease developments by Dr. Osterholm and Chris Dall.
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Data on novel vaccine candidates in clinical or late preclinical development.
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