A deadlier version of the infectious disease is ravaging the Democratic Republic of Congo, while the type that caused a 2022 outbreak among gay and bisexual men is regaining strength.
Congenital syphilis has risen significantly in the United States. The Times would like to talk to women who experienced the condition when pregnant and learn how they dealt with it.
Syphilis during pregnancy can lead to miscarriage and stillbirth, and infants who survive may become blind or deaf or have severe developmental delays.
The U.S.D.A. announced last month that dairy cattle in Texas and Kansas had tested positive for the bird flu virus, called H5N1. It has since reported cases in dozens of herds in eight states.
Scientists say that the presence of viral fragments in milk, which is pasteurized, isnβt cause for alarm, but that the bigger problem is the ongoing uncertainty about the size and scope of the outbreak.
H5N1, an avian flu virus, has killed tens of thousands of marine mammals, and infiltrated American livestock for the first time. Scientists are working quickly to assess how it is evolving and how much of a risk it poses to humans.
So far, bird flu in cattle seems to affect only lactating cows, and only temporarily. There have been no diagnoses in calves, pregnant heifers or beef cows, and no deaths.
Kenneth Davis, a patient in an H.I.V. treatment trial, undergoes a routine exam with the assistance of Phoebe Bryson-Cahn, a research clinician, at Harborview Medical Center in Seattle.
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