China reported two additional human infections with avian influenza A(H9N2) virus, from 18 to 24 September 2026.

The Florida Department of Health reports two additional Vibrio vulnificus cases in the past week from Citrus and Clay countues.

The Louisiana Department of Health (LDH) reports 19 total Vibrio vulnificus cases as of September 30, inwhich 17 cases are due to wound/seawater exposure and the other two are classified as other.

According to Public Health France, as of September 28, 2026, six new autochthonous chikungunya cases were reported during the past week.

In a follow-up on a post last week, The Centre for Health Protection (CHP) of the Department of Health report investigating a second a case of human infection of rat Hepatitis E virus (HEV).

King County Public Health (KCPH) reports the following on an investigation into a Cryptosporidium outbreak in Bothell, WA, a part of the Seattle metropolitan area.

On September 29, 2026, the Provincial Health Office (PHO) of Agusan del Sur officially declared a Province-Wide Dengue Outbreak due to the increasing number of dengue cases, hospitalizations, severe cases, and reported deaths in the province.

Pennsylvania health officials report today on the fifth measles related death this year.

In 2026 to date, the Los Angeles County Department of Public Health (LA County DPH) has documented 135 West Nile virus (WNV) human infections and five deaths.

The Canadian Food Inspection Agency (CFIA) announced yesterday the recall of several raspberry and raspberry-containing products sold at Summerhill Market locations in Ontario due to possible norovirus contamination.

The World Health Organization has reported a significant rise in cholera deaths last year, despite seeing overall fewer cases reported.

The Province of Albay, in the Bicol Region of the Philippines, on the southeastern part of the island of Luzon, reported 14 dengue deaths between April and August this year, a significant increase compared with 3 deaths reported in 2025.

In Italy, since the start of surveillance up to September 23, 2026, 700 confirmed cases of human West Nile Virus (WNV) infection have been reported.

Pakistan health authorities report the confirmation of an additional wild polio virus case in Bannu Division, in southern Khyber Pakhtunkhwa (KP).

As of September 27, Sri Lanka health officials report 100,127 dengue fever cases since the beginning of the year.

Pennsylvania state health officials report 13 additional confirmed measles cases since Friday, bringing the total in the state to 903.

Cambodia health authoroties report a confirmed case of avian influenza (H5N1) in a 49-year-old man from Tuol Kruos Village, O'Svay Commune, Trapeang Prasat District, Oddar Meanchey Province on September 27.

Delaware health officials report a measles outbreak in the state.

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Specialists from the Center for Genetic Engineering and Biotechnology (CIGB) presented the results of a Phase 3 clinical trial on the use of Jusvinza in patients with arthritis following Chikungunya virus infection.

In a follow-up on the Ebola epidemic in the Democratic Republic of the Congo (DRC), forty-three (43) new confirmed cases of Ebola Virus Disease (EVD)—including 10 community deaths—were recorded: 31 cases in Ituri, 9 in North Kivu, and 3 in Haut-Uélé.

A 31-year-old man from Kubang Pasu District of Kedah state in northwestern Malaysia has died from rabies, according to state health officials.

According to the Directorate General of Health Services (DGHS) in Dhaka, 2,158 additional dengue cases were reported in the past 24 hours, bringing the total to 73,694 cases in 2026.

Bahia registered 10,364 probable cases of chikungunya between January 4th and September 22nd of this year, an increase of 369.3% compared to the 2,187 cases recorded in the same period of 2025, according to the Bahia State Health Department (Sesab).

Are we prepared for the next outbreak?

Hong Kong health officials report investigating a case of human infection of rat Hepatitis E virus (HEV).

Seventy (70) new confirmed cases of Ebola Virus Disease (EVD)—including 11 community deaths—were recorded over the past 24 hours.

During the week ending September 19, the Mauritius Ministry of Health reported six additional confirmed chikungunya cases and no deaths.

The Pennsylvania Department of Health (DOH) has released an updated statewide report on the ongoing measles outbreak:

The Mexico Ministry of Health now reports 13,016 confirmed measles cases in 2026 and nearly 20,000 since the outbreak began in January 2025.

The Florida Department of Health reports two additional Vibrio vulnificus cases and one additional death in the past week.

The Florida Department of Health in Polk County (DOH-Polk) is informing residents of a confirmed human case of locally-acquired dengue.

Florida health officials reported an additional 38 locally acquired dengue fever cases during the week ending September 19.

Bangladesh has flagged a sharp daily escalation in both admissions and fatalities.

Pennsylvania state health officials report as of September 23, the total of 835 measles cases have been confirmed across 39 counties in Pennsylvania so far in 2026.

Federal officials and public health officials in several jurisdictions are investigating a multistate hepatitis A outbreak potentially linked to imported frozen clams.

Health authoroties in Rhode Island report a confirmed case of the tick-borne Powassan virus disease (Powassan) detected in a Rhode Island resident.

The Department of Health Bicol Center for Health Development (DOH Bicol CHD) has declared a Code Blue alert across the region on September 18, 2026 following a 19% increase in dengue cases, signaling heightened readiness and mobilization of health resources.

San Diego County health officials report a mumps outbreak at San Diego State University (SDSU).

The Hong Kong Centre for Health Protection (CHP) of the Department of Health report a locally acquired case of chikungunya fever (CF).

The South Africa Department of Health reports a rapid increase in laboratory-confirmed mpox cases in the past few weeks.

The City of Evanston’s Health and Human Services (HHS) has been made aware of two cases of Legionnaires’ disease in individuals who are linked to the Hilton Garden Inn North Shore/Evanston.

The Philippines Department of Health reports that from the beginning of the uear through September 12, 10,083 cases have been reported.

As of September 19, 2026, a total of 58 new confirmed cases of Ebola Virus Disease (EVD) were reported, including 13 community deaths.

In this livestream, I will discuss the Naegleria fowleri cases I'm aware of in 2026.

Last week, health officials in Yazd province, located in the center of the country reported seven confirmed cases of Crimean-Congo hemorrhagic fever (CCHF) and one death attributed to the disease since 21 Mar 2026, according to Iranian media.

The NYC Health Department reports investigating a likely community cluster of Legionnaires' disease in parts of Melrose and Morrisania in the South Bronx.

A total of 73 new confirmed cases of Ebola Virus Disease (EVD) were reported on September 18, 2026, including 25 community deaths.

Ohio has confirmed 180 measles cases across multiple counties in 2026, according to the Ohio Department of Health (ODH).

The Pennsylvania Department of Health (DOH) today announced that 767 measles cases have been confirmed across 38 counties in Pennsylvania so far in 2026 as of September 18.