Kingdom to which the organism named in 3(a)(ii) belongs: Monera / Bacteria. Name one likely contaminant of the water in the community that could have led to the disease outbreak. State three ways of preventing a reoccurrence of the disease outbreak.

i) One likely contaminant of the water that could have led to the disease outbreak is pathogenic bacteria (e.g., E. coli, Salmonella, Vibrio cholerae) or viruses (e.g., Norovirus, Rotavirus) or parasites (e.g., Giardia, Cryptosporidium). These are often introduced through fecal contamination.

ii) Three ways of preventing a reoccurrence of the disease outbreak are:

• Treating drinking water through boiling, chlorination, or filtration.
• Improving sanitation facilities to prevent contamination of water sources with human or animal waste.
• Practicing good personal hygiene, especially handwashing with soap and clean water.