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Poll shows that 80% of respondents are more concerned in the run-up to the COP26 climate meeting than they were ahead of the Paris conference 6 years ago.
President Jair Bolsonaro has approved a bill funnelling cash away from science and towards other areas of government, stranding research proposals and dashing hopes.
The Mexican government has accused 31 scientists and officials of organized crime and money laundering — allegations that they deny and that many claim are politically motivated.
People who have previously recovered from COVID-19 have a stronger immune response after being vaccinated than those who have never been infected. Scientists are trying to find out why.
Billions of shots of China’s CoronaVac and Sinopharm vaccines have been given globally, but studies have questioned the length of protection they offer.
Committee found that University of Chile neuroscientist Claudio Hetz did not deliberately alter published images — but some researchers fear his practices set a poor precedent.
The WHO-approved RTS,S vaccine has modest efficacy and requires a complex regimen of doses, so ample funding and clear communication will be crucial to success.