outbreaks

March 27, 2024—On March 18, the Centers for Disease Control and Prevention issued a health alert warning clinicians and public health officials of a global rise in measles cases. Yonatan Grad, professor of immunology and infectious…

Canada is seeing a resurgence of measles, with cases in the first quarter of 2024 already far surpassing the total for all of 2023. There were 12 cases last year, and more than three times that number so far in 2024, with 38…

Climate change is our planet’s most immediate existential threat, and will likely only worsen for the foreseeable future. Among its numerous adverse effects on human health, there is strong evidence linking climate change to…

March 7, 2024 – Ottawa, Ontario – Agriculture and Agri-Food Canada / Canadian Food Inspection Agency By protecting Canadian livestock through proactive prevention and preparedness measures for diseases, we’re supporting the…

South Africa has had a number of outbreaks of animal diseases in recent months that suggest there are weaknesses in the country’s biosecurity system – the measures in place to reduce the risk of infectious diseases being…

Porcine epidemic diarrhea (PED) was first described in England in 1971. In 1978, the prototype strain CV777 was characterized in Belgium . The etiological agent of PED is an RNA single-stranded virus, positive-sense, of the…

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The Uganda Ministry of Health (MOH) announced the first positive case of Ebola virus disease (EVD) in Uganda in 2022 caused by Sudan virus (species Sudan ebolavirus) on September 20. At this time, there are no confirmed cases of Ebola…

IntroductionThe risk of infectious disease transmission, including COVID-19, is disproportionately high in correctional facilities due to close living conditions, relatively low levels of vaccination, and reduced access to testing and…

A research team led by scientists at the Columbia University Mailman School of Public Health report on a new method to help health officials control outbreaks of methicillin-resistant Staphylococcus aureus, or MRSA, a life-threatening…

Eastern and southern African nations are among the worst affected, accounting for about 75 per cent of the fatalities and a third of the cases as of 15 January, according to the UN Children’s Fund (UNICEF).With the regions also suffering…

A 16-month-old boy was playing in a splash pad at a country club in Little Rock, Arkansas, this summer when water containing a very rare and deadly brain-eating amoeba went up his nose. He died a few days later in the hospital. The…

Figure 1. SEIRD epidemic mathematical model. Figure 1. SEIRD epidemic mathematical model. Figure 2. Block diagram of the proposed PID control algorithm for the social distancing and confinement policy. Figure 2. Block…

On October 1, 2021, this report was posted online as an MMWR Early Release.According to sequencing data reported by CDC, the highly transmissible B.1.617.2 (Delta) variant of SARS-CoV-2, the virus that causes COVID-19, has been the…

4.2. Caterers Accounted for a Substantial Proportion of Foodborne OutbreaksA large proportion of outbreaks could be attributed to transmissions from food prepared by licensed caterers for events and gatherings and dining in at…

1. Introduction to SARS-CoV-2Coronaviruses (CoVs) are enveloped , single-stranded , positive-sense RNA viruses belonging to the Coronaviridae family and Nidovirales order . Four genera of CoVs have been recognized to date:…

In April 2019, local media reports alerted the Sindh AIDS Control Program (SACP) in Pakistan of 14 children aged <10 years with new diagnoses of HIV infection in Ratodero, a rural subdistrict of Larkana District in Sindh province*…

On December 3, 2021, this report was posted online as an MMWR Early Release.Miranda J. Delahoy, PhD1,2; Lindsey Mortenson, MD3; Laura Bauman, MPH4; Juan Marquez, MD4; Natasha Bagdasarian, MD5; Joseph Coyle, MPH5; Kelsey Sumner, PhD1,2;…

Detection of cVDPV2 During January 2020–June 2021, there were 38 cVDPV2 emergences in active transmission in 34 countries; 28 (82%) of these countries are in Africa (Table) (Figure 1). Nineteen (50%) of the 38 emergences were previously…

On December 10, 2021, this report was posted online as an MMWR Early Release.Hannah E. Fast, MPH1,2; Elizabeth Zell, MStat2,4; Bhavini Patel Murthy, MD1,2; Neil Murthy, MD1,2; Lu Meng, PhD2,5; Lynn Gibbs Scharf, MPH1,2; Carla L.…

Rebecca B. Hershow, PhD1,2; Suzanne Wilson, MPH3; Robert A. Bonacci, MD1,2; Molly Deutsch-Feldman, PhD1,4; Olivia O. Russell, MPH5; Sherri Young, DO6; Shannon McBee, MPH3; Erica Thomasson, PhD3; Shawn Balleydier3; Miracle Boltz,…

Sarah E. Smith-Jeffcoat, MPH1,*; Mary A. Pomeroy, MSN1,*; Sadia Sleweon, MPH1; Samira Sami, DrPH1; Jessica N. Ricaldi, MD, PhD1; Yonathan Gebru, MPH1; Brianna Walker, MPH1; Shane Brady, MPH2; Matthew Christenberry, MPH3; Stephen Bart,…

Tammy E. Servies, MD1; Eric C. Larsen, MD1; Rodney C. Lindsay, MPH1; Jonathan S. Jones, MS1; Regina Z. Cer, MS2; Logan J. Voegtly, MS2,3; Matthew R. Lueder, MS2,3; Francisco Malagon, PhD2,3; Kimberly A. Bishop-Lilly, PhD2; Asha J.…

Responses from 18 countries were collected from National Focal Points and Operational Contact Points for influenza from 1 March 2023 to 14 April 2023 and covered the following areas: Risk assessment practices at the national level…

On August 16, 2021, the Oregon Health Authority Public Health Division (OPHD) was notified of two pediatric cases of Shiga toxigenic Escherichia coli among members of the same household. Each of the patients received a positive…

Leslie D. Edwards, MHS1; Ivorry Gomez, DNP2; Suzanne Wada, MD2; Erin M. Swaney3; Michelle B. Caruthers, MPH2; Irina Cody, MPH4; Farrell A. Tobolowsky, DO1,5; Janet Dykes, MS1; Laura Ford, PhD1,5; Kenneth R. Davis, MPH4; Chelsey T.…

On June 7, 2021, the Pennsylvania Department of Health (PADOH) received multiple complaints of gastrointestinal illness from patrons of a community swimming pool. Two patrons reported positive Shiga toxin-producing Escherichia coli…

Lello Tesema, MD1; Dominique Sullivan, MPH1; Marifi Pulido, PhD1; Elizabeth Traub, MPH1; Jose Escobar, MSN1; Leo Moore, MD1; Nicole Green, PhD2; Peera Hemarajata, MD2; Maria Cruely, MSN1; Rachel Civen, MD1; Alicia El-Togby1; Garin…

Since the Global Polio Eradication Initiative (GPEI) began in 1988, the number of wild poliovirus (WPV) cases has decreased by >99.99%, and five of the six World Health Organization (WHO) regions are now certified WPV-free.* WPV…

Javier Martin, PhD1; Cara C. Burns, PhD2; Jaume Jorba, PhD2; Lester M. Shulman, PhD3; Andrew Macadam, PhD1; Dimitra Klapsa, PhD1; Manasi Majumdar, PhD1; James Bullows, PhD4; Ann Frolov, MS4; Ryan Mate, MS1; Erika Bujaki, MS1;…

September 7, 2023—A new CDC study shows the number of reported avian influenza (AI) “bird flu” outbreaks in animals and infections in people are increasing worldwide. During 2013–2022, bird flu outbreaks in animals and infections in…

On January 14, 2022, the Lincoln-Lancaster County (Nebraska) Health Department (LLCHD) notified the Nebraska Department of Health and Human Services (NDHHS) of two cases of laboratory-confirmed Salmonella in inmates at a correctional…

On July 8, 2022, this report was posted online as an MMWR Early Release.Tricia A. Aden1; Patricia Blevins, MPH1; Shannon Whitman York, PhD1; Stacy Rager1; Devika Balachandran, MPA, MBA2; Christina L. Hutson, PhD3; David Lowe, PhD3;…

Samaria K. Aluko, MPH1,2*; Syed S. Ishrati, MD3*; David C. Walker, MS1; Mia C. Mattioli, PhD1; Amy M. Kahler, MS1; Kayla L. Vanden Esschert, MPH1; Kaylee Hervey, MPH4; Justin Rokisky Jr., MPH2,5; Mary E. Wikswo, MPH6; Joseph P. Laco,…

Amy Heinzerling, MD1; Ximena P. Vergara, PhD1,2; Elisabeth Gebreegziabher, MPH1,3; John Beckman1,3; Jessie Wong, MPH1; Alyssa Nguyen1; Sana Khan, MPH1; Matt Frederick1,3; David Bui, PhD1,2; Elena Chan, MPH1,3; Kathryn Gibb, MPH1,3;…

Marisa A.P. Donnelly, PhD1,2; Dorothy Maffei, MPH1,3; Gail L. Sondermeyer Cooksey, MPH1; Thomas J. Ferguson, MD, PhD4,5; Seema Jain, MD1; Duc Vugia, MD1; Barbara L. Materna, PhD1; Amanda Kamali, MD1 (View author affiliations) View…

CDC and multiple states are investigating a multistate outbreak of human Salmonella infections linked to contact with pet turtles. Thirty-seven people infected with the outbreak strain of Salmonella Agbeni have been reported from…

Norovirus is the leading cause of acute gastroenteritis in the United States (1). In April 2020, the incidence of norovirus outbreaks in the United States declined substantially, likely because of implementation of COVID-19–related…

Summary What is already known about this topic? Norovirus-associated acute gastroenteritis is highly transmissible in settings with close person-to-person contact and decreased access to hand hygiene, such as backpacking or rafting. What…

Hepatitis A is a vaccine-preventable disease typically acquired through fecal-oral transmission. Hepatitis A virus (HAV) infection rates in the United States declined approximately 97% during 1995–2015 after the introduction and…

Thomas Kiggundu, MMed1; Alex R. Ario, PhD1; Daniel Kadobera, MSc1; Benon Kwesiga, MPH1; Richard Migisha, MPH1; Issa Makumbi, MSc2; Daniel Eurien, MPH3; Zainah Kabami, MPH1; Joshua Kayiwa, MSc2; Bernard Lubwama, MPH4; Denis Okethwangu,…

Please note: This report has been corrected. An erratum has been published.. Christine Marie Kava, PhD1,2; Dallas M. Rohraff, MPH1,3; Bailey Wallace, MPH1; Jennifer L. Mendoza-Alonzo, PhD1; Dustin W. Currie, PhD1; Anna E. Munsey, DVM,…

Jonathan Duffy, MD1; Paige Marquez, MPH1; Pedro Moro, MD1; Eric Weintraub, MPH1; Yon Yu, PharmD1; Peter Boersma, MPH1; James G. Donahue, DVM, PhD2; Jason M. Glanz, PhD3; Kristin Goddard, MPH4; Simon J. Hambidge, MD, PhD5; Bruno Lewin,…

Julia K. Petras, MSPH1,2; Mindy G. Elrod2; Maureen Ty, PhD3; Pratistha Adams, MSc4; Dan Zahner4; Adam Adams4; M. Worth Calfee, PhD4; Christine Tomlinson, PhD4; Shannon Serre, PhD4; Shawn Ryan, PhD4; Elise Jakabhazy4; Jay E. Gee, PhD2;…

Nang Thu Thu Kyaw, PhD1,2; Naama Kipperman, MPH1; Karen A. Alroy, DVM1; Jennifer Baumgartner, MSPH1; Addie Crawley, MPH1; Eric Peterson, MPH1; Amara Ross, MPH1; Randal C. Fowler, PhD1; Victoria E. Ruiz, PhD1; Mindy Leelawong, PhD1;…

ECDC also continues to assess the risk of infection with currently circulating avian H5 influenza viruses in Europe as low for the general population in the EU/EEA. The risk also remains low to moderate for occupationally or otherwise…

Discussion In hepatitis A outbreaks, rapid source identification is critical to interrupting transmission. In this outbreak, RCAHD quickly identified the source; however, because of the long incubation period (15–50 days), a delay in…

Christine M. Thomas, DO1,2; Jack H. Marr, MPH2; Lisa M. Durso, PhD3; Mugdha Golwalkar, MPH2; D. J. Irving, MPH2; Kelly Orejuela, MPH2; Robin Rasnic4; Danny Ripley, MPH2; Brenda Rue2; Linda S. Thomas, MPH, MAFM4; Julie Viruez4;…

Laura Ford, PhD1; Sean Buuck, MPH2; Taylor Eisenstein, MPH1; Andrea Cote, DVM3; Zachary D. McCormic, MPH1; Selena Kremer-Caldwell, PhD3; Bonnie Kissler, MPH3; Matthew Forstner4; Alida Sorenson, MPH4; Matthew E. Wise, PhD1; Kirk Smith,…

Results During 2010–2020, a total of 30,903 cases were reported to ArboNET from American Samoa, Guam, Puerto Rico, and USVI; 21,705 (70.2%) were confirmed and 9,198 (29.8%) were probable (Table 1). The highest number of dengue cases…