In Brazil, seasonal increases of yellow fever have historically occurred between December and May.

The rise in number of Ebola virus disease (EVD) cases observed in the North Kivu provinces of the Democratic Republic of the Congo continues this week. During the last 21 days (20 March to 9 April 2019), 57 health areas within 11 health zones reported new cases; 40% of the 141 health areas affected to date (Table 1 and Figure 2). During this period, a total of 207 probable and confirmed cases were reported from Katwa (83), Vuhovi (41), Mandima (29), Beni (21), Butembo (15), Oicha (8), Masereka (4), Lubero (2), Musienene (2), Kalunguta (1), and Mabalako (1). As of 9 April, a total of 1186 confirmed and probable EVD cases have been reported, of which 751 died (case fatality ratio 63%). Of the 1186 cases with reported age and sex, 57% (675) were female, and 29% (341) were children aged less than 18 years. The number of healthcare workers affected has risen to 87 (7% of total cases), including 31 deaths. To date, a total of 354 EVD patients who received care at Ebola Treatment Centres (ETCs) have been discharged.

This past week saw a marked increase in the number of Ebola virus disease (EVD) cases in the Democratic Republic of the Congo. During the last 21 days (13 March to 2 April 2019), 57 health areas within 12 health zones reported new cases; 42% of the 135 health areas affected to date (Table 1 and Figure 2). During this period, a total of 172 confirmed cases were reported from Katwa (50), Vuhovi (34), Mandima (28), Masereka (18), Beni (13), Butembo (12), Oicha (8), Kayna (3), Lubero (3), Kalunguta (1), Bunia (1) and Musienene (1). WHO and partners will continue to adapt our strategies and strengthen response efforts to limit the further spread of EVD in these health areas. As of 2 April, a total of 1100 confirmed and probable EVD cases have been reported, of which 690 died (case fatality ratio 63%). Of the 1100 cases with reported age and sex, 58% (633) were female, and 29% (320) were children aged less than 18 years. The number of healthcare workers affected has risen to 81 (7% of total cases), including 27 deaths.