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HealthcareUS funding cuts could cause over 150,000 extra HIV infections in SA by 2028
Jesse Copelyn 23 Apr 2025





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The researchers' initial hypothesis, which proved to be incorrect, suggested that by four months of age, children would have passed the critical developmental point when breastfeeding is essential to their survival. However, stopping breastfeeding at four months, compared to usual breastfeeding as the child reaches six months to 24 months or older, did not decrease mortality or play a significant role in protecting the child from HIV transmission.
These findings were consistent with those for mothers not infected with HIV; longer breastfeeding is necessary to protect children against potentially fatal infectious diseases, especially those prevalent in low-resource settings. To prevent postnatal HIV transmission, however, mothers with HIV should be on antiretroviral drugs.
"Our results help support the recent change in the World Health Organisation (WHO) guidelines for prevention of mother-to-child HIV transmission," said study author Louise Kuhn, PhD, of Columbia University in New York City. "The new guidelines encourage postnatal use of antiretrovirals through the duration of breastfeeding to prevent vertical [mother-to-child] transmission."