Figure 1. . . Number of deaths during 2006–2009 among macaques (Macaca fuscata) housed in an animal facility in the Kantou area of Japan. Grey boxes, monkeys with tetanus-specific clinical symptoms; white boxes, monkeys without tetanus-specific clinical symptoms. 1, January–March; 2, April–June; 3, July–September; 4, October–December; n, total number of monkeys. *Juvenile animal; †Accident at time monkeys captured for vaccination (death due to hyperthermia).
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