Pertussis

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US flu activity takes big jump as 2 deaths in kids confirmed

The CDC also provided data on the rise of subclade K among H3N2 flu viruses ahead of holiday gatherings.

Jim Wappes
Sick young girl in bed

Despite high whooping cough activity, Americans unsure about vaccine recommendations

The poll reveals that up to 30% of Americans do not know whooping cough is also called pertussis.

Stephanie Soucheray
whooping cough vax

Flu, RSV activity rising in US and Europe, with major UK surge in flu cases

In addition, the emergence of the influenza A H3N2 subclade K virus fueled a record number of flu cases in Australia this year and extended the season, which may have implications for the Northern Hemisphere season.

Mary Van Beusekom
Boy coughing

PAHO warns of whooping cough vaccination gap

Pertussis vaccination coverage dropped during the COVID-19 pandemic, with 87% first-dose coverage in the Americas region.

Stephanie Soucheray

Global whooping cough resurgence after COVID lull may point to need for better vaccines

Despite sustained high vaccine coverage, outbreaks continue to occur every 3 to 5 years in some countries.

Mary Van Beusekom
Girl coughing

Third infant in Kentucky dies of whooping cough as national cases stay high for second year in a row

More than 25,000 cases of whooping cough have been reported so far in 2025.

Stephanie Soucheray
pertussis

Quick takes: Whooping cough in Texas, polio in 2 nations, Canada Salmonella outbreak

Texas health officials say the state has a seen a fourfold increase in whooping cough cases compared with last year.

Chris Dall

Louisiana officials waited months to alert public about deadly pertussis outbreak, investigation finds

Officials waited more than 3 months after 2 whooping cough deaths to issue a statewide health alert.

Jim Wappes

Quick takes: Whooping cough in Florida, mpox in Spain, Maldives achieves public health first

Whooping cough cases in Florida have risen by 81% this year compared with 2024.

Chris Dall

WHO pertussis case definition misses many infections, needs revision, study suggests

Compared with the WHO pertussis case definition, a modified definition including apnea and omitting cough duration improved sensitivity but lowered specificity.

Mary Van Beusekom

Quick takes: Mississippi pertussis death, fatal New York EEE case, chikungunya in Cuba

Mississippi has recorded 115 pertussis cases this year, sharply higher than in 2024.

Lisa Schnirring

Parental support for school vaccine mandates remains high in US

Earlier this month, RFK Jr said he does not believe the federal government should mandate any vaccine.

Stephanie Soucheray
mmr vax

PAHO warns antibiotic-resistant pertussis is spreading

Since 2024, antibiotic-resistant pertussis cases have been detected in 4 nations in the Americas: Brazil, Mexico, Peru, and the US.

Lisa Schnirring

Mississippi warns of steep increase in pertussis cases

No deaths have been recorded in Mississippi this year, but 10 patients have been hospitalized. 

Stephanie Soucheray

Global childhood vaccine coverage in 2024 shows inequalities amid stability

Of the 19.9 million children who either have no vaccines or only partial DTP vaccination coverage, 55% live in 10 countries.

Stephanie Soucheray
baby vax

Kentucky announces two pertussis deaths in infants this year

These are the first whooping cough deaths in the state since 2018.

Stephanie Soucheray

PAHO warns of pertussis rises, vaccination gaps in Americas countries

The US has been hit hardest, with more than 10,000 cases and 5 deaths, 4 of them in children younger than 1 year.

Lisa Schnirring

Quick takes: Louisiana pertussis rise, yellow fever in Ecuador, polio cases in 2 countries

Part of a national rise in cases, Louisiana has reported two infant deaths from pertussis this year.

Lisa Schnirring

As cases rise nationally, 2 infants die of pertussis in Louisiana

Louisiana officials have said they will no longer promote vaccinations, despite rising whooping cough cases in their state.

Jim Wappes

Quick takes: Washington pertussis death, PAHO dengue alert, US SARS-CoV-2 variants

PAHO is tracking a rise in dengue serogroup 3 activity, which could raise the risk of severe illness as countries approach the peak of the season.

Lisa Schnirring

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