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A Pfizer-BioNTech booster dose showed a relative vaccine efficacy of 95.6 percent when compared to those who did not receive a booster, according to a trial.
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The Menucocelsior Arraigadai, a herbiborous species that belongs to the titanosaurs group, was 10 meters long and weighed 6 tons.
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"Having Bolsonaro as president during the pandemic was one of the worst things that could happen to Brazil," the scientist said.
Over the next 12 years, Lucy will fly by one main-belt asteroid and seven Trojan asteroids, making it the agency's first single spacecraft mission in history to explore so many different asteroids.
The Mexican President emphasized that cooperation relations with Cuba are based on development and international solidarity.
Russian President Vladimir Putin calls for closer global cooperation on conserving biodiversity at the 15th meeting of the Conference of the Parties to the UN Convention on Biological Diversity
Australia has recorded its highest ever daily increase of COVID-19 cases on Thursday, with a spike of almost 2,750 new cases in three separate outbreaks.
Even since the start of the pandemic in 2020, the UN Secretary-General has drawn attention to the psychological effects of this situation, especially among frontline health workers dealing with an overload of work.
The WHO's Strategic Advisory Group of Experts on Immunization (SAGE) recommended on Monday that moderately and severely immunocompromised people should receive a third dose of a vaccine.
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