TY  - SER
AU  - Vrieze de Jop
TI  - Pfizers vaccine raises allergy concerns
SN  - 00368075
PY  - 2021///
CY  - New York
PB  - Registered Trademark AAAS
KW  - Pfizers vaccine raises allergy concerns
KW  - Publicaciones seriadas
N2  - Polymer in mrnas packaging may cause rare anaphylactic reations.
severe allergy like reations in at least 12 people who received the covid- 19 vaccine produced by pfizer and biontech may be due to a compound in the packagin of the messenger rna mrna tha forms the vaccines main ingredient scientists say a similar mrna vaccine developed by moderna also contains the compound polyethylene glycol  peg has never been used before in vacines but it is part pf many drogs
ER  -