Extracted text (via pymupdf)
6865 characters
WeArePublicHealth.org twitter.com/Maricopahealth facebook.com/MCDPH Maricopa County Board of Supervisors COVID-19 Update: 3/7/2022 Marcy Flanagan, DBA, MPH, MA Rebecca Sunenshine, MD, FIDSA Community transmission Data updated 3/2/22 Data updated: 01/18/22 Deaths decreasing since early February 3/4/2022 4 Maricopa County Case Rate: 87 per 100,000 Updated 3/3/22 46% 3/4/2022 6 New CDC Guidance CDC has developed a new measure: COVID-19 Community Levels https://www.cdc.gov/coronavirus/2019-ncov/science/community-levels.html Maricopa County 87 per 100,000 What Prevention Steps Should You Take Based on Your COVID-19 Community Level? CDC COVID-19 County Check https://www.cdc.gov/coronavirus/2019-ncov/science/community-levels.html 3/4/2022 10 What does this mean for the community and K-12 schools regarding masks? • Public health encourages masking for those at high risk for severe disease and those who wish to wear a mask • CDC and MCDPH strongly recommend wearing a mask – For anyone with a known COVID-19 exposure (10 days following exposure) – For anyone ill with respiratory symptoms when around others • Effective February 25, 2022, CDC does not require wearing of masks on buses or vans operated by public or private school systems, including early care and education/child care programs. 3/4/2022 11 CDC Isolation and Quarantine Guidance • COVID-19 isolation and quarantine guidance is unchanged • If an individual tests positive for COVID-19 they should isolate at home for 5 days and mask for an additional 5 days • People who are up to date on vaccines or tested positive within 90 days do not have to quarantine but should mask for 10 days • If not up to date on vaccines or infected in the last 90 days, close contacts should quarantine for 5 days & mask for 5 days • If unable to quarantine, mask for 10 days around others • Test after 5 days and if symptoms develop 3/4/2022 12 CDC updated recommendations for case investigations and contact tracing (CI/CT) • Universal CI/CT are no longer recommended for COVID-19 • Local public health should prioritize high risk settings and groups for CI/CT (correctional, shelters, long term care) • Focus on cases and exposures in the previous 5 days • Public health should educate the public to – Isolate when infected with COVID-19 – Inform close contacts so they can quarantine, get tested, wear a mask and seek treatment as needed • Public health should continue to offer COVID-19 vaccine 3/4/2022 13 Case Investigation and Contact Tracing • MCDPH will continue to notify each positive case with a valid phone number by text and automated phone call • Cases will be sent a link to an online survey • Information regarding isolation, quarantine of close contacts, testing and treatment will be sent to every case • Cases associated with long term care, shelters and correctional facilities will be investigated and contact tracing facilitated • School outbreaks will be monitored and provided with support • We will continue to work with ADHS, ASU and TGEN to monitor for new COVID-19 strains 3/4/2022 14 COVID-19 Surveillance and Mitigation in Maricopa County moving forward • MCDPH website will reflect CDC COVID Community Levels • Community guidance will be based on CDC community levels • Countywide case rates and percent positive will remain on website to guide healthcare system mitigation strategies • MCDPH School Dashboard will reflect COVID Community Levels – Case rate & percent positive will be shown by ZIP code, city & school district – available in the next 2-3 weeks – Hospital data will come directly from CDC COVID Tracker 3/4/2022 15 3/4/2022 16 Vaccines & Variants COVID-19 Vaccine Update 3/4/2022 17 Pfizer mRNA vaccine booster increases protection against Omicron infection from 35% to 76% • Increased waning immunity for Omicron vs Delta — 35% vs 64% at 25+ week • 76% VE against Omicron 2 weeks after 3rd dose (93% for Delta) Andrews et al. https://khub.net/documents/135939561/430986542/Effectiveness+of+COVID-19+vaccines+against+Omicron+variant+of+concern.pdf/f423c9f4-91cb-0274-c8c5-70e8fad50074 Unvaccinated are 13 times more likely to be hospitalized as fully vaccinated people 3/4/2022 19 Unvaccinated people are 33 times more likely to die as fully vaccinated people 3/4/2022 20 New Data from UK show that COVID-19 vaccines prevent Long COVID • Multiple studies show that vaccinated people (1 or 2 doses) are less likely to develop Long COVID symptoms following infection compared with unvaccinated people • 3 studies of unvaccinated people with Long COVID showed that those who got vaccinated were less likely to report Long COVID symptoms after vaccination than those who did not get vaccinated 3/4/2022 21 https://www.gov.uk/government/news/ukhsa-review-shows-vaccinated- less-likely-to-have-long-covid-than-unvaccinated COVID-19 Vaccine Update for Kids • Vaccine effectiveness for kids shows waning immunity over time, supporting need for boosters in kids aged 12+ • Vaccine effectiveness against hospitalization remained high • Awaiting recommendations for boosters for kids aged 5-11 • Expect review of Pfizer clinical trial data for 6mo-4yo in April • Added considerations for an 8-week interval between the first and second doses of a primary mRNA vaccine schedule https://www.medrxiv.org/content/10.1101/2022.02.25.22271454v1 We are seeing nearly 100% Omicron Variant 98.1% Omicron BA-1 Click to add text 1.62% Omicron BA-2 What about reinfection with BA-2? • Getting infected with BA-1 is 95% effective in preventing BA-2 • Getting infected with BA-2 is 86% effective in preventing BA-1 • This means that the BA-2 Omicron sub-lineage is unlikely to cause an additional surge in the US https://www.medrxiv.org/content/10.1101/2022.02.24.22271440v1.full.pdf Omicron causes less severe disease than Delta Wang, et al. Omicron Delta Emergency Room Visits 4.6% 15.2% Hospitalization 1.8% 4.0% Intensive Care Unit (ICU) Admission 0.3% 0.8% Mechanical Ventilation 0.1% 0.4% 3/4/2022 25 https://www.medrxiv.org/content/10.1101/2021.12.30.21268495v1 https://www.medrxiv.org/content/10.1101/2022.01.11.22269045v1 Large Southern CA study with about 70,000 COVID-19 patients • Omicron patients were less than half as likely to be hospitalized • About 25% as likely to be admitted to an ICU and • About 10% as likely to die as those with Delta infection Maricopa County Hospitalization and Death for Omicron compared with other strains • In comparison to people with Delta infections • People with Omicron infections were about 28% as likely to be hospitalized • People with Omicron infections were about 16% as likely to die as those with Delta infection Raw Unadjusted Maricopa County Data National COVID-19 Preparedness Plan https://www.whitehouse.gov/covidplan/ Questions/Discussion