Suspicions grow that nanoparticles in Pfizer’s COVID-19 vaccine trigger rare allergic reactions 

zaidpub (old blog)
zaidpub (old blog)

Suspicions grow that nanoparticles in Pfizer’s COVID-19 vaccine trigger rare allergic reactions
Source: Suspicions grow that nanoparticles in Pfizer’s COVID-19 vaccine trigger rare allergic reactions | From the Trenches World Report