The additions split the current genotypes of the mosquito-borne virus into "major" and "minor" lineages.
The South Asian 2.3.2.1a clade is known to circulate in birds in India and Bangladesh.
The team is producing updated versions of the vaccine that more closely match strains circulating today.
Findings underscore the risk to dairy workers and suggest that contaminated milking equipment may be partly responsible for cattle-to-cattle spread.
High-dose flu vaccine contains 4 times as much hemagglutinin as standard-dose flu vaccine.
The outbreak has sickened 109 people in 29 states, according to the CDC.
The FLiRT variants are fueling new COVID-19 waves in some countries, but so far US markers don't show major upticks.
The positive sample was from 1 of 96 culled dairy cows that were tested at slaughter, and none of the meat entered the food supply.
The effectiveness of preventive vaccination was estimated at 68.2%.
An investigation found that the woman had been exposed to backyard poultry before she became ill.
Transmission is increasing in Central America, Mexico, and the Caribbean regions, with cases well above last year at this time.
Five Americas region countries have now reported Oropouche virus cases this year.
The coalition of global health organizations released a set of recommendations to be considered at September's UN High-Level Meeting on AMR.
The USDA's updated list of H5N1 detections in mammals includes domestic cats in 4 states.
On average, COVID-19 was tied to 2 more days of sick time than influenza.
The findings come as CDC advisers prepare to meet next week about the composition of upcoming COVID vaccines.
Children have accounted for the major portion of cases and deaths in an ongoing mpox outbreak in the DR Congo.
So far this year, 90 countries globally have reported active dengue transmission, with the Americas as the hardest-hit region.
Direct contact, especially providing nursing care for or sleeping in the same space as the index patient, increased the odds of infection.
Qpex will use the $10 million from BARDA to advance the investigational beta-lactamase inhibitor xeruborbactam.
Chicago, after recording 64 measles cases and administering more than 30,000 vaccine doses, has passed 2 incubation periods with no new infections.
The vaccine, called mRESVIA, is available in single-dose prefilled syringes.
The agency says the changes are meant to create a "pathway for responsible antimicrobial in different animal health contexts and settings."
Wastewater detections are up in the western region, which is also seeing a small rise in test positivity.
Heating the milk to 63°C (145°F) for at least 30 minutes and 72°C (162°F) for 15 seconds both inactivated all tested viruses.