The slow rollout has been blamed on a range of national problems as well as delayed approval of the vaccines compared to elsewhere and an initial shortage of supply.
In a news conference here, Dr Sultan said the government considers healthcare workers as role models and it proves their trust in the vaccine's efficacy. By Wednesday, nearly 16 million people had received a first dose.
The state also announced its allotment of vaccines is increasing, to more than 36,000 doses a week.
Mexico " s Health Department reported 1,075 newly confirmed COVID-19 deaths Wednesday, bringing the total death toll to 177,061.
In January, the kingdom said that it would reschedule the appointments for those who registered to receive their first dose of the Pfizer-BioNTech Covid-19 vaccine, due to "the delay of the producing company in supplying the vaccine to the kingdom". They are being given the Chinese-made Sinopharm vaccine, which is a two-dose vaccine with an efficacy of 78.6%. "But they are short-lived and usually reflect the body's normal immune response to vaccinations", it added. In addition, antibody levels against the SARS-CoV-2 spike protein remained at similar levels for 3 months. For this reason, a second dose of vaccine is still recommended.
Recent polls have indicated that Black, Asian and other minority groups in Britain worry more than whites about the vaccine's reliability, while government advisers believe socioeconomic factors raise these groups' risk of dying from COVID-19.
The University of Oxford found that there was an overall efficacy of the vaccine of 81% when the first and second jabs were given three months apart. If the vaccine had no impact on transmission, we would expect the number of positive tests in our trial would be the same in vaccine and control groups. Real-world assessments of how the vaccine is working in the population will be needed to confirm this preliminary result.