Brazil's federal government wants to halt COVID-19 vaccinations for most adolescents, citing a death under investigation and adverse events after some 3.5 million teens have already been immunized, but several state governments vowed to press on...
Qatar has successfully administered two doses of vaccine against COVID-19 to 80 percent of its population, according to the Ministry of Public Health. Latest data from National COVID-19 Vaccination Program shows that 4,653,019 COVID-19 vacci..
Pfizer and BioNTech on Monday said trial results showed their coronavirus vaccine is safe and produces a robust immune response in children aged five to 11, adding that they would seek regulatory approval shortly. The vaccine would be administered..
Johnson & Johnson (JNJ.N) said Tuesday a second shot of its COVID-19 vaccine given about two months after the first increased its effectiveness to 94% in the United States against moderate to severe forms of the disease. That compare..
The European Commission said on Tuesday it would make sense for the United States to allow travel by people vaccinated with the AstraZeneca (AZN.L) COVID-19 shots, although existing U.S. guidance already authorises those travellers. On M..
India's government will not buy COVID-19 shots from Pfizer (PFE.N)/BioNTech (22UAy.DE) and Moderna (MRNA.O), three government sources told Reuters, mainly because domestic output of more affordable and easier-to-store vac..
The following is a summary of some recent studies on COVID-19. They include research that warrants further study to corroborate the findings and that have yet to be certified by peer review. Severe COVID-19 may "trip off" immune self-att..
Brazilian President Jair Bolsonaro's son and two members of his cabinet said on Friday that they had tested positive for COVID-19, bringing to four the number of close aides diagnosed since the far-right leader's trip to the United Nations. ..
The following is a summary of some recent studies on COVID-19. They include research that warrants further study to corroborate the findings and that have yet to be certified by peer review. Vaccinated pregnant women pass antibodies to babies P..