Moderna's vaccine is expected to receive approval from the FDA by the end of the week.
US Surgeon General Jerome Adams called the rollout Monday of the nation's first Covid-19 vaccine "tremendous".
The rollout of the Pfizer and BioNTech vaccine, the first to be approved by the Food and Drug Administration, ushers in the biggest vaccination effort in USA history. This story will be updated regularly as new information arrives.
Meanwhile, it appears more Americans are now willing to receive a coronavirus vaccine.
Health Minister Christian Dube said the province plans to give its first doses of the Pfizer vaccine to about 2,000 people in long-term care homes in Montreal and Quebec City.
Procurement Minister Anita Anand said Monday she anticipates receiving 30,000 Pfizer-BioNTech doses both this week and next.
How many vaccines are coming to the Bay Area?
Forty-two percent of Republicans and 35% of Black adults said they probably or definitely will not take the vaccine.
"As with the early shipments of the Pfizer vaccine, this moves us even further forward on getting Canadians protected as quickly as possible", Trudeau said.
It said that vaccine efficacy was 80.2% in participants who only received one dose at the time of the interim analysis, which was based on data collected as of November 7.
Gov. Gavin Newsom visited the Los Angeles hospital and watched doses being given to health care workers.
After another initial set of deliveries on Wednesday, officials in the Trump administration's Operation Warp Speed in Washington said they will begin moving 580 more shipments through the weekend.
The COVID-19 Vaccine Monitor conducted by the Kaiser Family Foundation, said Tuesday that 71% of respondents said they "definitely" or "probably" would be inoculated - an increase from 63% in September.
Moderna's vaccine used the same technology as Pfizer.
Moreover, the US government is now planning on holding back on doses to ensure that people get the second dose they need.
The federal government has said about 249,000 doses will arrive by the end of the month.
About two-thirds of those doses would be the Moderna vaccine.
The researchers issued their opinion in a 54-page report ahead of Thursday's meeting of the agency's Vaccines and Related Biological Products Advisory Committee, a group of outside medical experts who will advise FDA Commissioner Stephen Hahn on whether to approve emergency use authorization for the vaccine.
And in suburban New Orleans, Steven Lee, an intensive care unit pharmacist at Ochsner Medical Center, summed up the moment as he got his own vaccination: "We can finally prevent the disease as opposed to treating it". The only difference is the time that the second dose will be administered.