However, Eritrea still faces many challenges. Although the number of physicians increased from only 0.2 in 1993 to 0.5 in 2004 per 1000 people, this is still very low. Malaria and tuberculosis are common. HIV prevalence for ages 15 to 49 years exceeds 2%. The fertility rate is about 4.1 births per woman. Maternal mortality dropped by more than half from 1995 to 2002, but is still high. Similarly, the number of births attended by skilled health personnel doubled from 1995 to 2002, but still is only 28.3%. A major cause of death in newborns is severe infection. Per-capita expenditure on health is low.