The fifth of six children, Gray grew up in Boksburg, a mining town on a gold-bearing ridge that runs east to west through Johannesburg. Her family lived on the hard side of town, in a neighborhood that was as poor as it was conservative. Her father was a mechanical engineer who worked in the mines. Her mother was a bookkeeper.
Money was scarce, so in that regard her family fit in. But culturally and politically, they stood out. In a town where many kids didn’t do well in school, Gray and her siblings brought home prizes in academics. They listened to Bob Dylan albums. But what set her family apart the most was having friends and visitors who were black.
“I grew up intensely aware of what it’s like to live among poor people and hard-working people,” Gray said. “At the same time, we were this strange family with this different way of thinking, knowing that apartheid was wrong.”
She knew from the age of 6 that she would be a doctor, a goal that might have been considered laughable in her working-class neighborhood except for the “crazy family” she came from. Her father had been the first in his own family to go to college and taught his children — “my great people,” he called them — that education was the way to better themselves. Five of the six went to university; Gray and two others continued on for higher degrees and have pursued academic careers.
Gray claims not to know where her impulse to become a doctor came from, but consider this: Whenever a landslide or accident occurred in the mines, her father was the one who scrambled through small openings and down narrow tunnels to rescue miners who’d been trapped underground for days, waiting to die. His small stature allowed him to do the job, but what looms large in Gray’s memory is his fearless drive to save lives.
“Every girl needs a father who’s a hero in some way or other,” she said.
Her father did not live to see his fearlessness replicated; Gray was 16 when he died. Today, whenever the six siblings gather, they still say to each other, “The great people are coming.”
Gray entered the University of the Witwatersrand in Johannesburg in 1980 for six years of medical studies, to be followed by seven years of training toward a specialization in pediatrics. Her older siblings were already there, steeped in studies and protests. A brother belonged to a radical student union, one of the few predominately white organizations working to end apartheid. Members were frequently arrested; one died in prison in what police claimed was a suicide.
Fearlessness was a useful trait for the times.
Gray became one of two white medical students to join the Health Workers Association, the group organizing workers — from clerks and stretcher porters to doctors and nurses — to desegregate South Africa’s hospitals. In addition to her anti-apartheid work, she took up another cause. By the mid-1980s, the first AIDS cases had been confirmed elsewhere in Africa, and she knew it was a matter of time before the virus reached the south. She took charge of educating communities on how to prevent HIV.
“I became interested in HIV as an HIV activist,” she said.
Like so many doctors of her generation, she remembers her first patient to die of AIDS. He was about 24 years old and had severe pneumocystis pneumonia, a fungal infection that can be fatal in people with HIV because of their weakened immune systems. Still in training, Gray was doing a stint in a hospital intensive care unit and had to intubate him — place a tube in his trachea to ease his breathing.
“He took my hand and he said, ‘Don’t let me die,’” she said, recalling that moment with clarity more than two decades later. “And I said, ‘I won’t let you die.’ And he died. It was horrible because you started to see that you couldn’t help people.”
Children started to die too.
At first, a baby with HIV was such a rarity that doctors would gather to take a look. By the time Gray completed her training to be a pediatrician in 1993, the numbers were growing. Soon every third child at Chris Hani Baragwanath Hospital, or Bara, an enormous hospital in the black township of Soweto where she would spend much of her career, was HIV-positive, and HIV was the most common cause of death in children admitted.
Gray had planned to be a doctor, not a researcher. But the crisis propelled her to be both. She began looking for affordable ways to prevent mother-to-child HIV transmission.
She founded a perinatal HIV clinic with a partner, Dr. James McIntyre, at Bara in 1993. It was one of the first in South Africa to offer HIV testing and counseling for pregnant women and to do outreach to the surrounding community. In 1996 the clinic because a research unit of Wits University called the Perinatal HIV Research Unit.
That was the same year Gray presented her first research paper to an international AIDS meeting and walked straight into a tempest. The subject was whether HIV-positive women in developing countries could safely feed their infants formula to avoid transmitting the virus through breast milk. At the time, global health leaders recommended that in developed countries women use formula but not in developing countries, arguing that the risk of dying from diarrheal diseases caused by mixing powdered formula with contaminated water outweighed that of contracting HIV.
Gray felt that the recommendation left women in poorer countries “between a rock and a hard place.” She wanted instead to give them information, let them choose whether to breast- or bottle-feed and then support their choice. So she did, and found that women in Soweto were able to use formula safely and reduce HIV transmission rates.
Reaction to Gray’s paper from activists who had led boycotts against Nestle and other formula makers in the 1970s was swift and harsh.
“People in the audience started asking whether I was on the payroll of Nestle,” Gray said.
Everything about that presentation was quintessential Gray. The drive to save lives. The willingness to buck convention. And the insistence on asking the community — her patients — what they wanted.
“She puts the community in her heart,” said Thoko Sifunda, a Soweto resident who serves on a community advisory board for Gray’s research clinic and as community global co-chair for the HVTN. “She makes sure that the community is represented.”
Not long after her presentation on breast-feeding versus formula, Gray was stirring up controversy again. Researchers had already found a drug — AZT — that would prevent mother-to-child transmission during childbirth. But women in developing countries could not afford the 14-week course of treatment, and many did not learn that they even had HIV until they were close to delivery. So Gray’s research unit joined a clinical trial to find the most cost-effective treatment at the lowest dose, reasoning that an unaffordable drug might as well not exist.
This time, criticism came from an editorial in The New England Journal of Medicine, which took issue with the study’s decision to test the regimens against a placebo; in a drug trial, it is generally considered ethical to test a new drug or regimen against the best available treatment when a treatment exists. Once again, Gray went to the community and asked what they wanted. They agreed to support a placebo arm. The trials established beyond a doubt that a shorter, cheaper regimen worked.
The next problem was getting it to South Africans.
In 2001, Gray and others helped form the Treatment Action Campaign, which filed a lawsuit against the government demanding the distribution of treatment to HIV-positive pregnant women across the country. Gray and McIntyre helped the medical defense develop arguments for the case.
By then, a key figure had weighed in with support.
In 2000, the annual International AIDS Conference was held in Durban, the first time it had been held in the developing world. The delegates sat in stunned silence as, against hopes that he would change his message, Mbeki repeated denialists’ claims that HIV did not cause AIDS. But the conference’s closing speaker was Nelson Mandela, who powerfully proclaimed that the dispute over the cause of AIDS was “distracting from the real life-and-death issues.”
In 2002, Mandela presented Gray and McIntyre with the Nelson Mandela Health and Human Rights Award for their efforts to prevent mother-to-child transmission of HIV in South Africa. At the award ceremony, Mandela said that it was “beyond doubt and argument” that giving drugs to pregnant women is central to the fight against AIDS.
The award, Gray said, was critical because it made clear that the government was wrong in not allowing antiretroviral drugs. It kept the issue — and the lawsuit — in the public eye. Later that year, the court ruled in favor of providing the drugs.
The award also kept her in the public eye.
“If you ever feel unsafe, the best thing anyone can do for you is to put you in the spotlight,” Gray said. “Then people can’t do anything mischievous to you. It was a brave, brave thing for Nelson Mandela to do.”
Gray’s relationship with Mandela was both professional and personal. Her favorite memory of him was the time he came to visit the school that her two daughters and his own grandchildren attended. Gray — who apparently has no limits on the number of roles she is willing to take on — was the head of the schools’ AIDS committee. She would call meetings, but invariably, no one would come. So one day, she was holding a meeting with two or three straggler parents when a Mercedes Benz pulled up, two guards got out, and who should come in the door but Mandela.
“There we are, two or three or four of us, and Madiba is right next to us,” she said, using his clan name, a sign of affection. “I thought, ‘OK, I’m not saying anything.’ He just talked. Those are the kinds of experiences I’ve had with him. I was exposed early to his humanity.”
One of Gray’s daughters is now a 21-year-old college student, the other a 17-year-old in high school. She also has an 11-year-old son. Her husband, Jacobus Kloppers, is a well-known South African artist.
Her oldest child has just completed a documentary — a school project — on HIV vaccines. She recently found video footage of her mother at a protest.
“We laughed because they were small then, and they only now are beginning to realize what happened in that period,” Gray said. “Only now, my older child is starting to say, ‘Gee, did you do this, were you part of Treatment Action Campaign?’ I think during their school life, there was sometimes resentment. Only now are they becoming enchanted with it.”
Gray is aware of the price that children pay for their parents’ activism.
“Growing up during apartheid and being an activist, everybody sacrificed their family for the common good,” she said. “I guess I had that same kind of sentiment when I was having children. They share you with your cause. My children knew about mother-to-child transmission and they wanted babies not to be born with HIV, so they shared me with the Perinatal HIV Research Unit.”
The vaccine champion
In September 2008, the political landscape shifted again. Jacob Zuma replaced Mbeki as president. He and the people he appointed to his administration had had the same kinds of fights with the Mbeki administration as Gray had. Zuma overhauled AIDS policy and increased the rollout of antiretroviral drugs.
In 2013, Gray – who once had to alter her daily routines to avoid government surveillance —was awarded the nation’s highest honor for her research in mother-to-child transmission of HIV. Lest anyone fear that acceptance will soften her edge, as the recently appointed head of the South African Medical Research Council, Gray aims to broaden her mission beyond HIV to tackle other causes of ill health in South Africans, from maternal deaths to child murders to diseases such as diabetes, heart disease and cancer.
But an HIV vaccine remains very much on Gray’s mind. With President Zuma’s new policy, about 2 million South Africans with HIV are now receiving antiretroviral treatment. But that is just a third of the estimated 6 million who are living with HIV. South Africa also has the highest rate of new infections in the world. Gray knows that the country can’t treat itself out of the epidemic.
Besides, to find a vaccine would bring her work full circle. She first became involved in vaccine work because she wanted to protect babies against breast-milk HIV transmission. But she has to find a vaccine that works in adults first before she can test it in babies.
“Once we find a vaccine that works, and we put it to infants, I would have completed my cycle, my journey,” she said. “I want to be part of that team that finds an HIV vaccine. I believe we will find it.”
Mary Engel, a staff writer at Fred Hutchinson Cancer Research Center, formerly covered medicine and health policy for newspapers including the Los Angeles Times, where she was part of a team that won a Pulitzer for health care reporting. She also was a fellow at the year-long MIT Knight Science Journalism program. Reach her at firstname.lastname@example.org.
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