Impact of HIV on childhood respiratory illness: Differences between developing and developed countries

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Abstract
The main differences of the impact of HIV on childhood respiratory illness between developed and developing countries, and particularly some countries in Africa, are the scale of the problem and the lack of resources to address problems of prevention, diagnosis, and management. Recent data from HIV‐infected African children are reviewed and show that the pattern of respiratory disease in these children is not markedly different to the pattern that was reported from the USA and Europe prior to the use of antiretroviral therapy and routine Pneumocystis jiroveci pneumonia (PCP) prophylaxis for HIV‐exposed infants. Bacterial pneumonia is very common in all age groups. PCP and cytomegalovirus (CMV) are especially common in infants, and lymphoid interstitial pneumonitis (LIP) is common in older children. One difference is that pulmonary tuberculosis (PTB) is relatively more common in HIV‐infected African children. This is likely to reflect the higher prevalence of smear‐positive PTB in the region and therefore of exposure/infection compared to developed countries. Autopsy studies have provided a lot of useful data, but more prospective clinical and intervention studies from different parts of the region are needed in order to improve clinical diagnosis and management. Pediatr Pulmonol. 2003; 36:462–468.