Key result
No ASFV transmission occurred from recovered pigs to healthy sentinels over a >2-month in-contact phase, and no infectious virus was detected in tissues.
Why the study?
Does recovery from African swine fever virus infection result in a long-term carrier state and transmission to healthy sentinels in pigs?
Does recovery from African swine fever virus infection result in a long-term carrier state and transmission to healthy sentinels in pigs?
The study demonstrates no evidence of long-term infectious carrier status or transmission to sentinels in pigs recovered from ASFV, suggesting their role in disease spread may be overestimated.
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Challenges assumptions of long-term ASFV carriage in survivors; leaves open strain-specific transmission risks for field surveillance.
Petrov et al. (2018) studied African swine fever virus (ASFV) infection (n=36). ASFV 'Netherlands'86' infection vs. Healthy sentinel pigs was evaluated on ASFV transmission to sentinels. No ASFV transmission occurred from recovered pigs to healthy sentinels over a >2-month in-contact phase, and no infectious virus was detected in tissues.
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