Mai Yang, a communicable disease specialist, searches for Angelica, a 27 year-old pregnant woman who tested positive for syphilis, in order to get her treated before she delivers her baby.
Talia Herman for ProPublica
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Talia Herman for ProPublica
Mai Yang, a communicable disease specialist, searches for Angelica, a 27 year-old pregnant woman who tested positive for syphilis, in order to get her treated before she delivers her baby.
Talia Herman for ProPublica
When Mai Yang is looking for a patient, she travels light. She dresses deliberately — not too formal, so she won’t be mistaken for a police officer; not too casual, so people will look past her tiny 4-foot-10 stature and youthful face and trust her with sensitive health information. Always, she wears closed-toed shoes, “just in case I need to run.”
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Yang carries a stack of cards issued by the Centers for Disease Control and Prevention that show what happens when the Treponema pallidum bacteria invades a patient’s body. There’s a photo of an angry red sore on a penis. There’s one of a tongue, marred by mucus-lined lesions. And there’s one of a newborn baby, its belly, torso and thighs dotted in a rash, its mouth open, as if caught midcry.
It was because of the prospect of one such baby that Yang found herself walking through a homeless encampment on a blazing July day in Huron, Calif., an hour’s drive southwest of her office at the Fresno County Department of Public Health.
She was looking for a pregnant woman named Angelica, whose visit to a community clinic had triggered a report to the health department’s sexually transmitted disease program. Angelica had tested positive for syphilis. If she was not treated, her baby could end up like the one in the picture or worse — there was a 40% chance the baby would die.
Yang knew, though, that if she helped Angelica get treated with three weekly shots of penicillin at least 30 days before she gave birth, it was likely that the infection would be wiped out and her baby would be born without any symptoms at all. Every case of congenital syphilis, when a baby is born with the disease, is avoidable. Each is considered a “sentinel event,” a warning that the public health system is failing.
The alarms are now clamoring. In the United States, more than 129,800 syphilis cases were recorded in 2019, double the case count of five years prior. In the same time period, cases of congenital syphilis quadrupled: 1,870 babies were born with the disease; 128 died. Case counts from 2020 are still being finalized, but the CDC has said that reported cases of congenital syphilis have already exceeded the prior year. Black, Hispanic and Native American babies are disproportionately at risk.
Yang drives to Huron, a rural town an hour