(VOVWORLD) - A Spanish study on mixing COVID-19 vaccines has found that giving a dose of the Pfizer vaccine to people who already received a shot of the AstraZeneca vaccine...
(VOVWORLD) - Prime Minister Nguyen Xuan Phuc has requested that every citizen should continue to observe the urgent measures for social distancing whilst remaining vigilant against the novel coronavirus (COVID-19)...
(VOVworld) – The revised Constitution should be diffused across the population with its content strictly followed in all aspects of life. This was stated in a report by the National...