Chronically ill 94-year-old woman and two staff from her Ha Van nursing home all infected in the past week.
Phone campaign targets senior citizens, while schools regularly quiz parents whether their children have been vaccinated against Covid-19.
The government announced on Thursday that it will launch a one-year pilot scheme next month to pay a monthly subsidy of MOP 2,175 to those who are looked after by a caregiver.
All the 41 government-subsidised crèches (also known as day nurseries) will reopen on 3 November.
