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The COVID-19 vaccines are widely credited for their role in reducing the severity and death caused by COVID-19. [ 128 ] [ 129 ] As of March 2023, more than 5.5 billion people had received one or more doses [ 130 ] (11.8 billion in total) in over 197 countries.
In February 2020, the EPA released a report on the toxicity of the industrial chemical trichloroethylene (TCE), establishing the benchmark for unsafe exposure levels. Instead of the benchmark established by the agency's scientists, namely an exposure level known to cause fetal heart abnormalities, their draft report produced after three years ...
UK's COVID-19 Alert Levels (introduced in May 2020) The UK's COVID-19 Alert Level is lowered from Level 4 (severe risk, high transmission) to Level 3 (substantial risk, general circulation), following the agreement of all four Chief Medical Officers. Health Secretary Matt Hancock describes the change as "a big moment for the country". [446] [447]
In 2021, more non-white gig workers expressed concern about their exposure to COVID-19 on the job, at 50%, than their white counterparts, at 38%. A similar difference between races was found among standard workers with respect to their employer’s lack of COVID-19 precautions.
2012 phenomenon – a range of eschatological beliefs that cataclysmic or otherwise transformative events would occur on or around 21 December 2012. This date was regarded as the end-date of a 5,126-year-long cycle in the Mesoamerican Long Count calendar and as such, festivities to commemorate the date took place on 21 December 2012 in countries where the Maya civilization had formerly ...
In addition, the COVID-19 pandemic that began in early 2020 had a major impact on the work environment. The hardest-hit industries were those employing many women, who not only had to work from home but also had to deal with additional caregiving responsibilities due to school closures and other disruptions. [ 118 ]
As of 2018 coal mining fatalities continue to occur in illegal mines. [79] Coal miners suffer respiratory diseases such as black lung , [ 80 ] chronic obstructive pulmonary disease , [ 81 ] back pain, [ 82 ] periodontal disease [ 83 ] and other illnesses; and increased risk from respiratory infections such as COVID-19 .