German finance regulator BaFin on Monday warned consumers that the malware known as "Godfather," which records user input, has been attacking 400 banking and cryptocurrency apps, including some in Germany. BaFin said that it was unclear how the malware infected consumers' devices.

While the European Medicines Agency approved a third dose for people over 18-years-old, the agency said it was up to member states to decide whether to use them.

Health regulator Anvisa cited lack of consistent and reliable data for rejecting the import of the vaccine. Brazil is currently battling a devastating second wave of coronavirus.

The EU regulatory body is "fully convinced" that the vaccine's benefits outweigh possible risks. Global health experts have been under growing pressure to answer questions over the safety of AstraZeneca's COVID-19 shot.