# Alfred Sommer

> Alfred (Al) Sommer is an American ophthalmologist and epidemiologist at the Johns Hopkins Bloomberg School of Public Health. His research on vitamin A in the 1970s and 1980s revealed that dosing even mildly vitamin A deficient children with an inexpensive, large dose vitamin A capsule twice a year reduces child mortality by as much as 34 percent. The World Bank and the Copenhagen Consensus list vitamin A supplementation as one of the most cost-effective health interventions in the world.

*American ophthalmologist*

**Canonical URL:** https://fame.am/person/alfred-sommer

## Identity
- **Profile type:** Doctor ([Wikidata](https://www.wikidata.org/entity/Q39631))
- **Category:** Doctors
- **Country:** United States
- **Born:** 1942-10-02
- **Status:** living
- **Gender:** male

## Fame
- **Popularity score:** 38.3 / 100
- **Momentum:** 0.0 / 100  (trend: STABLE)
- **Historical depth:** 6.3 / 100
- **Attention shift:** 0.0 / 100
- **Source confidence:** 40.0 / 100
- **Profile completeness:** 70.0 / 100

## Sources
- [אלפרד סומר](https://he.wikipedia.org/wiki/%D7%90%D7%9C%D7%A4%D7%A8%D7%93_%D7%A1%D7%95%D7%9E%D7%A8)
- [ألفرد سومر](https://ar.wikipedia.org/wiki/%D8%A3%D9%84%D9%81%D8%B1%D8%AF_%D8%B3%D9%88%D9%85%D8%B1)
- [الفرد سومر](https://arz.wikipedia.org/wiki/%D8%A7%D9%84%D9%81%D8%B1%D8%AF_%D8%B3%D9%88%D9%85%D8%B1)
- [آلفرد سامر](https://azb.wikipedia.org/wiki/%D8%A2%D9%84%D9%81%D8%B1%D8%AF_%D8%B3%D8%A7%D9%85%D8%B1)
- [Alfred Sommer (Mediziner, 1942)](https://de.wikipedia.org/wiki/Alfred_Sommer_(Mediziner%2C_1942))
- [Alfred Sommer](https://en.wikipedia.org/wiki/Alfred_Sommer)
- [Alfred Sommer (médecin)](https://fr.wikipedia.org/wiki/Alfred_Sommer_(m%C3%A9decin))
- [Wikidata](https://www.wikidata.org/wiki/Q1667755)

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