{"id":12238,"date":"2025-12-31T12:04:42","date_gmt":"2025-12-31T12:04:42","guid":{"rendered":"https:\/\/readtrends.com\/en\/flu-covid-norovirus-rise\/"},"modified":"2025-12-31T12:04:42","modified_gmt":"2025-12-31T12:04:42","slug":"flu-covid-norovirus-rise","status":"publish","type":"post","link":"https:\/\/readtrends.com\/en\/flu-covid-norovirus-rise\/","title":{"rendered":"Flu, COVID and norovirus cases rise as holiday gatherings wind down &#8211; 6abc Philadelphia"},"content":{"rendered":"<article>\n<p>As holiday gatherings finish and travel slows, clinicians in the Philadelphia region reported a notable uptick in influenza, COVID-19 and norovirus infections on Dec. 31, 2025. Local family physician Dr. Delana Wardlaw and Lehigh Valley Health Network infectious\u2011disease clinicians said the increase follows holiday-related mixing and travel. The Centers for Disease Control and Prevention indicates flu activity is very high in New Jersey, moderate in Pennsylvania and minimal in Delaware. Health providers are urging routine infection control \u2014 vaccinations where appropriate, frequent handwashing and testing \u2014 to limit further spread.<\/p>\n<h2>Key takeaways<\/h2>\n<ul>\n<li>Regional clinicians reported a rise in influenza, COVID-19 and norovirus cases as of Dec. 31, 2025, following holiday gatherings and travel.<\/li>\n<li>CDC assessment on the same week: flu activity very high in New Jersey, moderate in Pennsylvania and minimal in Delaware.<\/li>\n<li>Physicians cited unexpected positive influenza tests in patients who would not typically be high risk, indicating wider community transmission.<\/li>\n<li>Handwashing with soap and water is recommended as the most effective measure against norovirus; alcohol\u2011based sanitizer is less effective.<\/li>\n<li>Clinicians say it is not too late to receive flu or COVID\u201119 vaccines this season and advise discussing options with a primary care provider.<\/li>\n<li>Public\u2011health messaging emphasizes layered prevention: vaccination, hygiene, testing and staying home when ill.<\/li>\n<\/ul>\n<h2>Background<\/h2>\n<p>Respiratory and gastrointestinal viruses commonly surge in late fall and winter when people spend more time indoors and travel for holidays. Past seasonal patterns show spikes in influenza and RSV after holiday travel; clinicians say COVID\u201119 and norovirus can follow similar transmission dynamics because of closer contacts and shared surfaces. Local health centers and hospital systems routinely monitor syndromic data, lab confirmations and emergency\u2011department visits to track these seasonal trends.<\/p>\n<p>Public and private stakeholders include primary\u2011care clinics, hospital networks such as Lehigh Valley Health Network, community health centers and public\u2011health agencies including the CDC and state departments of health. Vaccination campaigns and community outreach are ongoing, but uptake varies by age group and locality. Norovirus outbreaks \u2014 primarily gastrointestinal and highly contagious \u2014 require different mitigation (surface cleaning and handwashing) than respiratory pathogens.<\/p>\n<h2>Main event<\/h2>\n<p>Clinicians in the Philadelphia metro area observed more patients presenting with fever, cough, vomiting and diarrhea during the final days of December. Dr. Delana Wardlaw of Fairhill Community Health Associates said her practice recorded an increase in influenza-positive tests in the days surrounding the holiday period. She noted that some patients who would not normally be expected to test positive for flu were returning positive results.<\/p>\n<p>Dr. David O&#8217;Gurek of Lehigh Valley Health Network linked the rise to holiday travel and gatherings, saying that mixing across households and regions typically precedes seasonal surges. Emergency departments and urgent\u2011care centers reported higher volumes of patients with respiratory and gastrointestinal complaints, though hospitalizations remained lower than peak pandemic waves.<\/p>\n<p>Local public\u2011health officials point to laboratory surveillance and sentinel clinic reports as evidence of broader community transmission. Testing availability for influenza and SARS\u2011CoV\u20112 remains in clinics and retail testing sites, while norovirus diagnosis is often clinical or based on cluster detection rather than routine lab testing.<\/p>\n<p>Clinicians reiterated prevention basics: vaccination for influenza and COVID\u201119, staying home when symptomatic, prompt testing for respiratory pathogens when appropriate, and hand hygiene with soap and water to reduce norovirus spread. They emphasized that alcohol\u2011based hand rubs are less reliable against norovirus.<\/p>\n<h2>Analysis &#038; implications<\/h2>\n<p>The simultaneous rise in influenza, COVID\u201119 and norovirus complicates outpatient care and public\u2011health messaging because symptoms overlap and resources such as testing and appointment slots become strained. Even when most cases are managed at home, higher outpatient volume increases pressure on urgent\u2011care clinics and emergency departments, which can affect care access for other conditions.<\/p>\n<p>Vaccination remains the primary population\u2011level tool for reducing severe influenza and COVID\u201119 outcomes. Clinicians stressed that receiving a flu or updated COVID\u201119 vaccine this winter can still lower the risk of severe disease and reduce community transmission. Vaccine effectiveness varies by strain match and time since vaccination, but protection against severe outcomes is meaningful.<\/p>\n<p>Norovirus adds a different challenge: it spreads rapidly in households, schools and congregate settings and is less impacted by alcohol sanitizers. Public spaces and institutions may need intensified surface cleaning and more rigorous sick\u2011leave practices to prevent outbreaks. Employers and schools should reinforce policies that encourage symptomatic people to stay home until symptom resolution.<\/p>\n<h2>Comparison &#038; data<\/h2>\n<figure>\n<table>\n<thead>\n<tr>\n<th>Jurisdiction<\/th>\n<th>CDC flu activity (week of report)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>New Jersey<\/td>\n<td>Very high<\/td>\n<\/tr>\n<tr>\n<td>Pennsylvania<\/td>\n<td>Moderate<\/td>\n<\/tr>\n<tr>\n<td>Delaware<\/td>\n<td>Minimal<\/td>\n<\/tr>\n<\/tbody>\n<\/table><figcaption>CDC weekly influenza activity levels for the region (reported week ending Dec. 31, 2025).<\/figcaption><\/figure>\n<p>These categorical activity levels reflect a combination of laboratory positives, outpatient visits for influenza\u2011like illness and other surveillance inputs. \u201cVery high\u201d denotes widespread community transmission by CDC criteria; \u201cmoderate\u201d and \u201cminimal\u201d indicate progressively lower signals. Local trends can diverge from state\u2011level summaries, so county and facility surveillance remain important for operational planning.<\/p>\n<h2>Reactions &#038; quotes<\/h2>\n<p>Clinicians responded publicly and to reporters with brief statements emphasizing prevention and the timing of vaccination.<\/p>\n<blockquote>\n<p>&#8220;This is respiratory season, so not unusual, but we have seen an increased number of flu cases,&#8221;<\/p>\n<p><cite>Dr. Delana Wardlaw, Fairhill Community Health Associates<\/cite><\/p><\/blockquote>\n<p>Wardlaw framed the surge as part of expected seasonal patterns but highlighted the practical effect: more symptomatic patients seeking care and higher positivity rates than usual in some clinics.<\/p>\n<blockquote>\n<p>&#8220;Getting a flu vaccine is the single most greatest thing someone can do to prevent illness,&#8221;<\/p>\n<p><cite>Dr. David O&#8217;Gurek, Lehigh Valley Health Network<\/cite><\/p><\/blockquote>\n<p>O&#8217;Gurek emphasized vaccination as the primary preventive measure and noted clinicians were urging patients to consider vaccines even after the holidays.<\/p>\n<blockquote>\n<p>&#8220;Handwashing with soap and water remains the best defense against norovirus; sanitizers are not as effective,&#8221;<\/p>\n<p><cite>Local clinic infection\u2011control guidance (paraphrased)<\/cite><\/p><\/blockquote>\n<p>Clinic guidance highlighted practical differences in preventing respiratory versus gastrointestinal transmission and reinforced nonpharmaceutical measures alongside vaccination.<\/p>\n<aside>\n<details>\n<summary>Explainer: Why norovirus, flu and COVID behave differently<\/summary>\n<p>Norovirus is a non\u2011enveloped virus that resists alcohol\u2011based sanitizers and survives on surfaces longer than many respiratory viruses, making soap\u2011and\u2011water handwashing and surface disinfection crucial. Influenza and SARS\u2011CoV\u20112 are primarily respiratory and spread through droplets and aerosols; masks, ventilation, and vaccination reduce transmission. Vaccination timing still matters: immunization during the season can lower severe outcomes, although peak protection is usually achieved several weeks after vaccination.<\/p>\n<\/details>\n<\/aside>\n<h2>Unconfirmed<\/h2>\n<ul>\n<li>Direct causation between specific holiday events and the regional rise has not been epidemiologically confirmed; the association is consistent with seasonal mixing but not proven for every cluster.<\/li>\n<li>Reports of a new flu variant labeled &#8220;super K&#8221; and its exact role in local case counts require further genetic and epidemiologic confirmation from public\u2011health laboratories.<\/li>\n<\/ul>\n<h2>Bottom line<\/h2>\n<p>The end of the holiday period coincided with a measurable increase in influenza, COVID\u201119 and norovirus cases across the Philadelphia region, according to clinicians and CDC activity summaries on Dec. 31, 2025. While most infections remain outpatient, the trend increases demand on clinics and underscores the value of layered prevention: vaccination, testing when symptomatic, handwashing, and staying home when ill.<\/p>\n<p>It is not too late to seek vaccination for influenza or COVID\u201119 this season; health professionals recommend discussing timing and eligibility with primary\u2011care providers. Public\u2011health authorities will continue to monitor surveillance data and lab confirmations to refine guidance as the season progresses.<\/p>\n<h2>Sources<\/h2>\n<ul>\n<li><a href=\"https:\/\/6abc.com\/post\/flu-covid-norovirus-cases-rise-holiday-gatherings-wind-down\/18333920\/\" target=\"_blank\" rel=\"noopener\">WPVI\u2011TV original report<\/a> (local news)<\/li>\n<li><a href=\"https:\/\/www.cdc.gov\/flu\/weekly\/\" target=\"_blank\" rel=\"noopener\">Centers for Disease Control and Prevention \u2014 Flu Surveillance<\/a> (official public\u2011health agency)<\/li>\n<li><a href=\"https:\/\/www.lehighvalleyhealthnetwork.org\/\" target=\"_blank\" rel=\"noopener\">Lehigh Valley Health Network<\/a> (health system official site)<\/li>\n<\/ul>\n<\/article>\n","protected":false},"excerpt":{"rendered":"<p>As holiday gatherings finish and travel slows, clinicians in the Philadelphia region reported a notable uptick in influenza, COVID-19 and norovirus infections on Dec. 31, 2025. Local family physician Dr. Delana Wardlaw and Lehigh Valley Health Network infectious\u2011disease clinicians said the increase follows holiday-related mixing and travel. The Centers for Disease Control and Prevention indicates &#8230; <a title=\"Flu, COVID and norovirus cases rise as holiday gatherings wind down &#8211; 6abc Philadelphia\" class=\"read-more\" href=\"https:\/\/readtrends.com\/en\/flu-covid-norovirus-rise\/\" aria-label=\"Read more about Flu, COVID and norovirus cases rise as holiday gatherings wind down &#8211; 6abc Philadelphia\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":12237,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rank_math_title":"Flu, COVID and norovirus rise after holidays | 6abc","rank_math_description":"As holiday gatherings end, flu, COVID\u201119 and norovirus cases increased across the Philadelphia region. Experts urge vaccination, soap\u2011and\u2011water handwashing and testing to curb spread.","rank_math_focus_keyword":"flu,covid-19,norovirus,holiday spread,vaccination","footnotes":""},"categories":[2],"tags":[],"class_list":["post-12238","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-top-stories"],"_links":{"self":[{"href":"https:\/\/readtrends.com\/en\/wp-json\/wp\/v2\/posts\/12238","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/readtrends.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/readtrends.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/readtrends.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/readtrends.com\/en\/wp-json\/wp\/v2\/comments?post=12238"}],"version-history":[{"count":0,"href":"https:\/\/readtrends.com\/en\/wp-json\/wp\/v2\/posts\/12238\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/readtrends.com\/en\/wp-json\/wp\/v2\/media\/12237"}],"wp:attachment":[{"href":"https:\/\/readtrends.com\/en\/wp-json\/wp\/v2\/media?parent=12238"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/readtrends.com\/en\/wp-json\/wp\/v2\/categories?post=12238"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/readtrends.com\/en\/wp-json\/wp\/v2\/tags?post=12238"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}