Héni Haj Ammar

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To the Editor: Peste des petits ruminants (PPR) is a viral disease of sheep and goats caused by peste des petits ruminants virus (PPRV), a negative-sense, single-stranded RNA virus of the genus Morbillivirus. Illness and death can be high (>90%) when PPR occurs in populations of immunologically naive sheep and goats (1). Mortality rates are ≈10%–40% in(More)
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