Key points

Conjunctivitis

• Increase in procedures for conjunctivitis-like conditions and in the dispensing of ophthalmic medications within the sentinel physician and pharmacist networks.

• Initial laboratory findings indicate a viral infection for which antibiotics are not indicated in the absence of a bacterial superinfection.

Water shortage

• In S03-2024, non-adherent E. coli (DAEC) and enteropathogenic E. coli (EPEC) remained predominant in molecular biology analyses. The rates of samples positive for E. coli Enterotoxigenic (ETEC) and E. coli Enteroinvasive (Shigella) remained high in S03-2024. The rates of samples positive for Campylobacter sp. and Cryptosporidium sp.-type parasites increased sharply in S03-2024.

• Sales of anti-diarrheal medications and oral rehydration solutions (ORS) in pharmacies during S03-2024 were in line with the average observed over the past 6 years.

• Severe cases of GEA admitted to the intensive care unit at the Mayotte Hospital Center (CHM): 24 cases between S36-2023 and S03-2024; no new cases reported in S03-2024. The last two cases were reported in S02-2024.

• Since January 15, 2024, water restrictions have been eased, and water is supplied every other day for 22 hours.

Bronchiolitis

• The number of tests and the RSV positivity rate have been rising for several weeks.

• Mayotte has been in a bronchiolitis epidemic since Week 51 of 2023. A peak was reached in Week 2 of 2024.

Influenza

• The flu transitioned to the post-epidemic phase in Week 01-2024.

• The positivity rate for Influenza A(H3N2) remains low.

• As a reminder, the transition to the epidemic phase occurred in week 44 of 2023.