KEY UPDATES

Zika virus – Incidence and trends

To date, 48 countries and territories in the Americas have confirmed autochthonous, vectorborne transmission of Zika virus disease since 2015. In addition, five countries in the Americas have reported sexually transmitted Zika cases.

Since the last Zika Epidemiological Update of 3 November 2016, Montserrat has confirmed vector-borne autochthonous transmission of Zika virus in the Americas

KEY UPDATES

 Countries and territories reporting mosquito-borne Zika virus infections for the first time in the past week:

o None

 Countries and territories reporting microcephaly and other central nervous system (CNS) malformations potentially associated with Zika virus infection for the first time in the past week:

o Argentina and Guadeloupe

 Countries and territories reporting Guillain-Barré syndrome (GBS) cases associated with Zika virus infection for the first time in the past week:

o None

KEY UPDATES

 Countries and territories reporting mosquito-borne Zika virus infections for the first time in the past week:

o Montserrat, Palau

 Countries and territories reporting microcephaly and other central nervous system (CNS) malformations potentially associated with Zika virus infection for the first time in the past week:

o None

 Countries and territories reporting Guillain-Barré syndrome (GBS) cases associated with Zika virus infection for the first time in the past week:

o None

Zika virus – Incidence and trends

To date, 7 countries and territories in the Americas have confirmed autochthonous , vector - borne transmission of Zika virus disease since 2015 .In addition, five countries in the Americas have reported sexually transmitted Zika cases.Since th e last Zika Epidemiological Update o fOctober 2016 , no additional countries and/or territories have confirmed vector - borne autochthonous transmission of Zika virus in the Americas ( Figure 1 ) .

KEY UPDATES

• Countries and territories reporting mosquito-borne Zika virus infections for the first time in the past week:

o None

• Countries and territories reporting microcephaly and other central nervous system (CNS) malformations potentially associated with Zika virus infection for the first time in the past week:

o Bolivia, Trinidad and Tobago, and Viet Nam

Response Highlights

Virus del Zika - Incidencia y tendencia

Desde 2015 y hasta la fecha, 47 países/territorios de las Américas confirmaron casos autóctonos por transmisión vectorial del virus del Zika y cinco países notificaron casos de Zika transmitidos sexualmente. Desde la Actualización Epidemiológica del 6 de octubre de 2016, no hay nuevos países/territorios que han confirmado transmisión vectorial autóctona (Figura 1).

A continuación, se presenta un resumen de la situación epidemiológica de Zika por sub regiones.

América del Norte

​The ECDC Communicable Disease Threats Report (CDTR) is a weekly bulletin for epidemiologists and health professionals on active public health threats. This issue covers the period 23-29 October 2016 and includes updates on Zika virus, Salmonella and extensively drug-resistant TB.

KEY UPDATES

• Countries and territories reporting mosquito-borne Zika virus infections for the first time in the past week:

o None

• Countries and territories reporting microcephaly and other central nervous system (CNS) malformations potentially associated with Zika virus infection for the first time in the past week:

o None

• Countries and territories reporting Guillain-Barré syndrome (GBS) cases associated with Zika virus infection for the first time in the past week:

o None

Foreword

WHO EXECUTIVE DIRECTOR OF HEALTH EMERGENCIES PROGRAMME

Zika virus – Incidence and trends

To date, 47 countries and territories in the Americas have confirmed autochthonous, vector-borne transmission of Zika virus disease since 2015.1 In addition, five countries in the Americas have reported sexually transmitted Zika cases.2 Since the last Zika Epidemiological Update of 6 October 2016, no additional countries and/or territories have confirmed vector-borne autochthonous transmission of Zika virus in the Americas (Figure 1).

​The ECDC Communicable Disease Threats Report (CDTR) is a weekly bulletin for epidemiologists and health professionals on active public health threats. This issue covers the period 16-22 October 2016 and includes updates on Zika virus, Salmonella and extremely drug-resistant TB.

KEY UPDATES

• Countries and territories reporting mosquito-borne Zika virus infections for the first time in the past week: o None

• Countries and territories reporting microcephaly and other central nervous system (CNS) malformations potentially associated with Zika virus infection for the first time in the past week: o Grenada

• Countries and territories reporting Guillain-Barré syndrome (GBS) cases associated with Zika virus infection for the first time in the past week: o None

The ECDC Communicable Disease Threats Report (CDTR) is a weekly bulletin for epidemiologists and health professionals on active public health threats. This issue covers the period 9-15 October 2016 and includes updates on Zika virus, West Nile fever and MERS.

Response Highlights

UNICEF response to ZIKV (Zika virus) continues in 32 countries and territories across Latin America and the Caribbean. From working with communities to challenge the low risk perception of ZIKV to supporting the identification of appropriate care and support activities for children with Congenital Zika Syndrome, UNICEF is working with governments and other partners across the region to implement their response strategies.

KEY UPDATES

 Countries and territories reporting mosquito-borne Zika virus infections for the first time in the past week: o None

 Countries and territories reporting microcephaly and other central nervous system (CNS) malformations potentially associated with Zika virus infection for the first time in the past week: o None

 Countries and territories reporting Guillain-Barré syndrome (GBS) cases associated with Zika virus infection for the first time in the past week: o None

Zika virus – Incidence and trends

To date, 47 countries and territories in the Americas have confirmed autochthonous, vectorborne transmission of Zika virus disease since 2015. In addition, five countries in the Americas have reported sexually transmitted Zika cases.2 Since the last Zika Epidemiological Update of 22 September 2016, no additional countries and/or territories have confirmed vector-borne autochthonous transmission of Zika virus in the Americas (Figure 1).

KEY UPDATES

• Countries and territories reporting mosquito-borne Zika virus infections for the first time in the past week:

o None

• The investigation by the Ministry of Public Health of Thailand confirmed two cases of Zika-related microcephaly on 30 September 2016. This is the first time that Zikarelated microcephaly cases have been confirmed in Southeast Asia. The mothers reported no travel history to areas outside of Thailand.