<span>These cells would be in the shape of Sphere due to the shape of the type of bacteria present in Streptococcus Agalactiae which is called Coccus. This particular of bacteria is round in shape and have a affinity of forming a chain structure.</span>
Social norm deviance. They are making him do something that isn't socially acceptable. The others don't really make sense in this context anyways. Hope I helped :)
Viruses can multiply very quickly, and so they can go through natural selection at a much quicker rate, allowing certain vaccine resistant mutations to take over a population.