At an injection site in Nghe An province (Photo: VNA)

The US continues to be the hardest hit country by the epidemic with more than 81.82 million cases and 1 million deaths, followed by India and Brazil.

The Brazilian government decided to relax medical restrictions by ending the requirement that international visitors entering Brazil to present a negative COVID-19 PCR test and carry medical declarations. 

Ecuador's Minister of Health, Ximena Garzón, announced the government’s decision to offer a fourth dose of COVID-19 vaccine while Peru started rolling out the COVID-19 vaccine's fourth dose to citizens aged above 70, and people with weakened immune systems. The official clarified that this group must have received the third dose more than 5 months ago and this fourth dose involves the vaccine from Pfizer or Moderna laboratories.

On Saturday, BioCubaFarma said that the Genetic Engineering and. Biotechnology Center (CIGB) discussed with the World Health Organization (WHO) to begin the process of evaluating the Abdala vaccine against COVID-19. Up to now, more than 8 million Cubans have been vaccinated with the Abdala vaccine. This COVID-19 vaccine has also been exported to Venezuela, Nicaragua, Iran, Mexico and Vietnam.