Annie Genevard’s office mentioned Monday evening a “21-day ramp-up time” for the vaccine, which could explain the animal’s illness despite the injection.
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The Ministry of Agriculture assures Monday, December 22 that the cattle of the Saint-Masal herd (Pyrénées-Orientales), in which a new case of lumpy skin disease (DNC) was detected on Friday “were vaccinated”learns franceinfo.
“A vaccinated animal can become ill, not because the vaccine does not work, but because the vaccine has a ‘build-up’ time of 21 days”explains the office of Minister Annie Genevard.
“During these 21 days, the animal can therefore catch the virus. And the virus sometimes takes up to 35 days for symptoms to appear. We therefore sometimes have animals which present symptoms a month and a half after their vaccination, because they fell ill during the 21 days, when the vaccine was not fully active, in addition to the 20 or 30 days before the symptom was seen”assures the ministry.
Indeed, a cattle was detected positive on a farm on Friday in Saint-Masal. This Monday, four cattle from the same herd were slaughtered. This farm had already been affected by lumpy skin disease. The latter concerned “another epidemiological unit, independent of the current case”, as specified by the prefecture (these were geographically separated herds).
