Carian mengenai topik Operation Warp Speed

Beban kerja yang tinggi dan kekurangan dana di jabatan kesihatan awam negeri antara kesukaran dihadapi dalam proses itu.

Officials are investigating whether storing the vaccines at excessively cold temperatures poses a safety or efficacy risk.

US marshals will accompany the tightly secured shipments from factory to final destination.

Doses of the vaccine from US-based Pfizer and German partner BioNTech will be delivered to 145 locations around the country on Monday.

With the virus showing no sign of abating, health officials are sounding the alarm of further spread when people gather for holidays.

The White House is holding a summit on Tuesday to highlight that and to explain plans for distribution through Trump's Operation Warp Speed.

With the prospect of several vaccines coming online, experts say it's possible 2021 will return to a semblance of normality.

The president described the effort as "a massive scientific, industrial and logistical endeavour unlike anything our country has seen since the Manhattan Project,"

Unlike Pfizer's vaccine, Moderna's shot can be stored at normal fridge temperatures, which should make it easier to distribute.

As global cases of COVID-19 cases reached 47 million and deaths reaching 1.2 million, talks of vaccine to further curb the spread of COVID-19 pandemic has become an utmost priority.