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The reports provide guidelines intending to give guidelines to reduce the health effects of air pollution. [2] The guidelines stipulate that PM 2.5 should not exceed 5 μg/m 3 annual mean, or 15 μg/m 3 24-hour mean; and that PM 10 should not exceed 15 μg/m 3 annual mean, or 45 μg/m 3 24-hour mean. [2]
Exposure to particulate matter of less than 2.5 micrometers in diameter led to significant changes in ROS levels, indicating that particulate matter exposure was a causative agent of oxidative stress in Tigriopus japonicus. [42] In addition to aquatic invertebrates, negative effects of particulate matter have been noted in mammals as well.
According to the U.S. Centers for Disease Control and Prevention, while "any vaccine can cause side effects", [11] most side effects are minor, primarily including sore arms or a mild fever. [11] Unlike most medical interventions vaccines are given to healthy people, where the risk of side effects is not as easily outweighed by the benefit of ...
Potential side effects of the 2023 vaccine: This fall’s updated COVID vaccine is new, but it does not produce new, unknown or harsher side effects. “I get that people might be worried about ...
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Data mining techniques such as empirical Bayes methods can be used to improve the quality of data analysis. [5] The system was used in 1999 to identify a rotavirus vaccine that had an increased risk of a bowel obstruction condition, and confirmatory research led to the vaccine's use being suspended. [8] [9] [10]
Secondhand tobacco smoke includes both a gaseous and a particulate materials which, with particular hazards arising from levels of carbon monoxide and very small particulates (fine particulate matter, especially PM2.5 and PM10) which get into the bronchioles and alveoles in the lung. [31]
With the conjugate vaccine about 10% of babies develop redness at the site of injection, fever, or change in sleep. [1] Severe allergies are very rare. [1] Whole-cell vaccinations were developed alongside characterisation of the subtypes of pneumococcus from the early 1900s. [5] The first polysaccharide vaccine (tetravalent) was developed in ...