.healthyswimming.or. g. Protecting swimmers and their families from RWIs. is the reason that pool staff regularly check. both chlorine and pH levels. Chlorine and pH, your disinfection team, are the first defense. against germs that can make swimmers sick.
[kokâ²És] pl. cocci. Etymology: Gk, kokkos, berry. a bacterium that is round, spheric, or oval, such as gonococcus, pneumococcus, staphylococcus, and streptococcus. coccal, adj.
1 Bacilli â shaped like a rod with a length of around 0.03mm. Illnesses such as typhoid and cystitis are caused by bacilli strains.  Cocci â shaped like a sphere with a diameter of around 0.001mm. Depending on the sort, cocci bacteria group themselves in a range of ways, such as in pairs, long lines or tight clusters. Examples include Staphylococci (which cause a host of infections including boils) and Gonococci (which cause the sexually transmissible infection gonorrhoea).