what year was the guidelines became mandatory ?

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https://www.latimes.com/science/story/2021-07-27/timeline-cdc-mask-guidance-during-covid-19-pandemic

https://www.latimes.com/science/story/2021-07-27/timeline-cdc-mask-guidance-during-covid-19-pandemic
Timeline: CDC mask guidelines during the COVID pandemic – Los Angeles Times
27 juill. 2021Advertisement Science & Medicine CDC recommends masks indoors in U.S. where cases are surging July 27, 2021 Now, as the highly transmissible Delta variant causes coronavirus cases to spike across…

https://www.nytimes.com/2021/04/27/science/face-mask-guidelines-timeline.html

https://www.nytimes.com/2021/04/27/science/face-mask-guidelines-timeline.html
How Mask Guidelines Have Changed – The New York Times
27 avr. 2021On March 15, the C.D.C. made no mention of masks when it recommended that gatherings in the United States — including weddings, festivals, parades, concerts, sporting events and conferences — be…

https://en.wikipedia.org / wiki / United_States_Federal_Sentencing_Guidelines

https://en.wikipedia.org / wiki / United_States_Federal_Sentencing_Guidelines
United States Federal Sentencing Guidelines – Wikipedia
Although the Guidelines were initially styled as mandatory, the US Supreme Court ‘s 2005 decision in United States v. Booker held that the Guidelines, as originally constituted, violated the Sixth Amendment right to trial by jury, and the remedy chosen was to excise those provisions of the law establishing the as .

https://jamanetwork.com/journals/jama/fullarticle/2769440

https://jamanetwork.com/journals/jama/fullarticle/2769440
Universal Masking in the United States: The Role of Mandates, Health …
In early February 2020, the CDC recommended mask use for anyone exhibiting COVID-19-like symptoms to reduce the spread of respiratory droplets. 2 On April 3, 2020, following recognition that viral load is high just before and early in the course of COVID-19 disease, the agency expanded its recommendation, urging mask use by the general public. Face masks significantly reduce detection of …

https://www.ajmc.com/view/a-timeline-of-covid19-developments-in-2020

https://www.ajmc.com/view/a-timeline-of-covid19-developments-in-2020
A Timeline of COVID-19 Developments in 2020 – AJMC
August 17 — COVID-19 Now the Third-Leading Cause of Death in the US. In just 4 days, there’s been a 3.2% uptick in COVID-19-related deaths, to 170,434, giving the disease a No. 3 ranking …

https://www.ussc.gov/topic/historical-development-guidelines

https://www.ussc.gov/topic/historical-development-guidelines
Historical Development of the Guidelines | United States Sentencing …
Mandatory Minimums. Recidivism. Retroactivity. View All. Guidelines . 2023 Guidelines Manual Annotated . Archive … This publication provides selected articles on the early years of the federal sentencing guidelines system. (June 1992) Learn More. 1987 Supplementary Report on the Initial Sentencing and Policy Statements.

https://en.wikipedia.org/wiki/Face_masks_during_the_COVID-19_pandemic_in_the_United_States

https://en.wikipedia.org/wiki/Face_masks_during_the_COVID-19_pandemic_in_the_United_States
Face masks during the COVID-19 pandemic in the United States
Early recommendations Initially, the U.S. government did not recommend the use of face masks by the general public outside of medical settings to protect themselves from COVID-19, as to prevent shortages of medical-grade personal protective equipment (PPE) for doctors treating COVID-19 patients.

https://www.pewresearch.org/short-reads/2021/10/08/states-have-mandated-vaccinations-since-long-before-covid-19

https://www.pewresearch.org/short-reads/2021/10/08/states-have-mandated-vaccinations-since-long-before-covid-19
States have mandated vaccinations since long before COVID-19
Vaccination mandates in the U.S. date back to the 19th century, when many cities and states started requiring children to be immunized against smallpox; the Supreme Court upheld such mandates in a landmark 1905 decision. A combination vaccine against diphtheria, tetanus and pertussis became available in 1948, and it was quickly added as a …

https://en.wikipedia.org/wiki/Mandatory_reporting_in_the_United_States

https://en.wikipedia.org/wiki/Mandatory_reporting_in_the_United_States
Mandatory reporting in the United States – Wikipedia
In 1962, United States doctors C. Henry Kempe and Brandt Steele published The Battered Child Syndrome, [1] [2] which helped doctors identify child abuse, its effects, and the need to report serious physical abuse to legal authorities.

https://www.mayoclinic.org/diseases-conditions/history-disease-outbreaks-vaccine-timeline/requirements-research

https://www.mayoclinic.org/diseases-conditions/history-disease-outbreaks-vaccine-timeline/requirements-research
History of vaccine requirements and research highlights – Mayo Clinic
The U.S. begins a childhood vaccination initiative to increase the number of vaccinated children in the country to 90% within two years. By 1980, vaccination levels rise among U.S. children going to school for the first time. Vaccination levels go up to 96% for measles, rubella and diphtheria-tetanus-pertussis (DTP), 96% for polio, and 92% for … lesoutrali bot