Distribution
Historical distribution of H. aegyptius is worldwide. Weeks observed that acute conjunctivitis had been observed in Egypt, France, and England. In 1941, Monteiro Salles reported epidemics of H. aegyptius conjunctivitis in Campinas, Sao Paulo State, Brazil. H. aegyptius conjunctivitis has also been observed in the southern states of the United States . The BPF clone of H. influenzae biogroup aegyptius is more difficult to evaluate. Cases of Brazilian Purpuric Fever have been predominant in the Sao Paulo state. Sao Paulo is one of the most developed states in Brazil, which makes it easier to receive reports of outbreaks of diseases like BPF. However, it is difficult to know whether BPF has affected other, more rural areas of Brazil. Scientists have not yet determined to what extent BPF has affected rural communities because of a lack of communication technology in these areas and a general lack of medical services. A small case study in Serrana has suggested that there is a correlation between day-care attendance and contraction of Brazilian Purpuric Fever. Because children are the main victims of BPF, it is assumed that day care facilities may serve as settings for the transmission of H. influenzae biogroup aegyptius conjunctivitis.
Read more about this topic: Haemophilus Influenzae Biogroup Aegyptius
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