Disease

Dengue Fever - Americas

The Pan America Health Organization (PAHO) saw a total of 2,803,096 dengue fever cases in the Americas in 2023 accounting for 90 percent of the total arbovirus cases (3,110,442), which includes Zika (36,340) and chikungunya (271,006).

The total number of cases of arboviral disease reported in 2022 (3,110,442 cases) represents approximately a 118% relative increase compared to the same period in 2021 (1,425,221 cases).

The highest number of dengue cases in 2022 was observed in Brazil with 2,383,001 cases, followed by Nicaragua with 97,541 cases and Peru with 72,844 cases. A total of 1,223 fatalities were reported in 2022 (1,016 in Brazil alone, a record in the country).

Unknown Disease - Equatorial Guinea

Guinea Ecuatorial Salud reported Thursday that in recent weeks, there has been an unusual epidemiological situation in the Nsok Nsomo district, Kie-Ntem Province, related to 9 deaths within a short time of each other in two nearby communities, who presented the following symptoms: fever, vomiting blood and diarrhea. The deaths were linked to people who all took part in a funeral ceremony. In addition, more than 200 people have been quarantined with restricted movement

Lassa fever - Nigeria

In a follow-upon the Lassa fever outbreak in Nigeria in 2023, the Nigeria Centre for Disease Control and Prevention (NCDC) reported 1378 suspected and 361 confirmed Lassa fever cases in 18 States through January 29. 53 deaths among the confirmed cases were also reported in January with a nearly 15% case fatality rate.

Cholera - DR Congo

A cholera epidemic was officially declared by the Governor of the province of North Kivu in December when the isolation of Vibrio cholerae among 140 of the 247 samples collected from suspected cases of Nyiragongo Health Zone was reported. As of 4 February 2023, a total of 4386 cholera cases (of which 1009 are laboratory-confirmed) with 16 deaths (CFR 0.4%) have been reported. 4011 cases (91.5%) are from Nyiragongo and 375 (8.5%) from Karisimbi.