A health care worker is injected with an official Covid-19 vaccine in the US in 2020. In Egypt, a rise in the uptake of unauthorised flu shots is causing concern among medical professionals. AP
A health care worker is injected with an official Covid-19 vaccine in the US in 2020. In Egypt, a rise in the uptake of unauthorised flu shots is causing concern among medical professionals. AP

Egypt warns against unauthorised 'Hitler' flu shot