Cookies used to make website functionality more relevant to you. Here's a look at updated guidance from the CDC, including when to quarantine or isolate and information about the incubation period. Nov 2022;53:101624. doi:10.1016/j.eclinm.2022.101624, Tenforde MW, Olson SM, Self WH, et al. If symptoms occur, individuals should immediately quarantine until a negative test confirms symptoms are not attributable to COVID-19. Serial testing prior to ending isolation can be considered in consultation with infectious disease experts. MMWR Morb Mortal Wkly Rep. Apr 10 2020;69(14):416-418. doi:10.15585/mmwr.mm6914e2, Kimball A, Hatfield KM, Arons M, et al. Efficacy of covid-19 vaccines in immunocompromised patients: systematic review and meta-analysis. Underlying Medical Conditions and Severe Illness Among 540,667 Adults Hospitalized With COVID-19, March 2020-March 2021. Feb 17 2022;386(7):698-700. doi:10.1056/NEJMc2119236, Leon TM, Dorabawila V, Nelson L, et al. MMWR Morb Mortal Wkly Rep. Dec 31 2021;70(5152):1782-1784. doi:10.15585/mmwr.mm705152e3, Song JS, Lee J, Kim M, et al. Standard precautions include: Transmission-based precautions are a set of practices specific for patients with known or suspected infectious agents that require additional control measures to prevent transmission. SARS-CoV-2 Incubation Period during the Omicron BA.5-Dominant Period in Added information on recent reports in adults of reinfection with SARS-CoV-2 variant viruses. Symptom-based criteria were modified as follows: Changed from at least 72 hours to at least 24 hours have passed. Application of these precautions depends on the nature of the healthcare worker-patient interaction and the anticipated exposure to a known infectious agent. Clin Microbiol Infect. What That Means for You. Viral tests, including NAAT and antigen tests, are used to diagnose COVID-19. The Journal of Maternal-Fetal & Neonatal Medicine. In the first months of 2022, an Omicron . For healthcare settings, please see Managing Healthcare Personnel with SARS-CoV-2 Infection or Exposure to SARS-CoV-2 and Interim Infection Prevention and Control Recommendations for Healthcare Personnel. According to the CDC, the median incubation period for the omicron variant and its numerous strains is in the range of three-to-four days, slightly less than the delta variant's median of 4.3. doi:10.1001/jamanetworkopen.2021.28568, Tillett RL, Sevinsky JR, Hartley PD, et al. Pulmonary Aspects of COVID-19. Sep 18 2020;doi:10.1093/cid/ciaa1419, Wortham JM, Lee JT, Althomsons S, et al. Risk of long COVID associated with delta versus omicron variants of SARS-CoV-2. Linking to a non-federal website does not constitute an endorsement by CDC or any of its employees of the sponsors or the information and products presented on the website. People treated with Paxlovid who test positive for COVID after testing negative might be contagious and should isolate for 5 days, CDC warns . You can review and change the way we collect information below. (5) Some people with COVID-19 have gastrointestinal symptoms such as nausea, vomiting, or diarrhea, sometimes prior to having fever or lower respiratory tract signs and symptoms.
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