Mystery surrounds the extent to which horsepox virus may have contributed to the vaccinia virus used to eradicate smallpox. With few documented cases of horsepox in recent years it may never be solved, says José Esparza, who seeks to raise awareness of the potential historical and scientific importance of identifying new cases.
No takes yet. Share an insight, caveat, or question.
José Esparza (2013) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: