President Donald Trump said he wants pharmaceutical companies to "justify the success" of COVID-19 vaccines though he has touted the "warp speed" success.

Trump invita le aziende farmaceutiche a "giustificare il successo" dei vaccini contro il Covid. (ANSA)

Health and Human Services Secretary Robert F. Kennedy Jr. has taken measures to overhaul federal health agencies and change U.S. immunization policies.

President Trump called on drug companies to \

President Donald Trump said he wants pharmaceutical companies to "justify the success" of COVID-19 vaccines though he has touted the "warp speed" success.

Despite now calling on drug companies to 'justify their success' in combating the virus, Trump has been a strong supporter of the vaccine in the past.