However, the tear gas grenades were employed as nonlethal weapons to avoid British casualties. It has been replaced by the M203 40mm grenade launcher and nonlethal ammunition. Nonlethal methods include contraceptive injections, sterilization, and translocation of deer. The dogs are an effective, nonlethal discouragement that prevents the cheetahs from taking livestock. Nonlethal attempts to deter the gulls from nesting in urban areas have been largely unsuccessful. This form is clinically milder and generally nonlethal. Persuade and influence are tasks related to nonlethal fires such as influence operations. Nonlethal overdoses may also result in coma and death. Nonlethal mutations accumulate within the gene pool and increase the amount of genetic variation. The outbreak involved 25 primary MARV infections and seven deaths, and six nonlethal secondary cases. Nonlethal means are preferred, if these are sufficient to defend and protect people's safety. Group violence in the British Atlantic was usually nonlethal in intention and result. Diagnosis of amyloodiniosis is comprised of observing typical clinical signs and using nonlethal techniques. Nonlethal methods of containing beaver-related flooding have been developed. These, together with harassing agents, are sometimes called nonlethal agents.