The vaccine that 1,200 locals were injected with yesterday was the inactivated vaccine, developed by China's state-owned pharmaceutical company Sinopharm Group. The official anti-coronavirus website statd that it has a prevention efficacy of 80%. The first batch of 100,000 doses of inactivated vaccines landed in Macau on February 6. The SAR government earlier announced that around 100,000 doses of another type of vaccine, the mRNA-based vaccine developed by German drug manufacturer BioNTech and proxied by Fosun Pharma — with over 90% efficacy — will arrive in Macau in late February. "The vaccination for the second vaccine [the mRNA-based vaccine] will be slated to commence in March, as scheduled. The details regarding its rollout will be announced in due course," Lo said in response to the media's query over the inoculation timeframe for this type of vaccine. He stressed that the more people in a community to get vaccinated, the faster and more efficiently the community can reach herd immunity.