Pertactin-Negative Variants of Bordetella pertussis in the United States
This letter to the editor raises the issue of the adaptation of B. pertussis to vaccine selection pressure as one of the reasons for the increase number of cases of whooping cough reported in several countries.
Comparative community burden and severity of seasonal and pandemic influenza: results of the Flu Watch cohort study
In a large community study (Flu Watch), cohorts were prospectively studied across the UK during six periods (2006-2010) with the main aim to compare the burden and the severity of seasonal and pandemic influenza across different age groups over time.
Chikungunya in Pacific Region
As of 15 October, 59 chikungunya cases have been reported in the commune of Teva i Uta, Tahiti, French Polynesia . No fatalities had been associated with this event.
Possible sexual transmission of Ebola
A report published on 1 May indicates that the Ebola virus can persist in seminal fluid of a person who recovered from Ebola virus disease for longer than previously known and can potentially lead to sexual transmission of Ebola virus.
Recent development on sexual transmission of Ebola virus
ECDC comments on two studies published on 14 October 2015 in the New England Journal of Medicine provide insights into sexual transmission of Ebola virus and the duration of virus persistence in semen.
Public Health Emergency of International Concern (PHEIC) declared for Zika and clusters of microcephaly and neurological disorders
ECDC welcomes the decision of the WHO Director-General to declare a PHEIC, in light of evidence possibly linking microcephaly cases to Zika virus infections.
An imported case of congenital malformation associated with Zika virus infection in Slovenia ex Brazil
This case report from Slovenia adds to the body of evidence that transplacental infections with Zika virus can cause severe central nervous system damage and microcephaly.
WHO Statement on the 8th IHR Emergency Committee meeting regarding the international spread of poliovirus
The ECDC risk assessment for Europe, regarding the international spread of wild poliovirus, have not been altered by the conclusions of the International Health Regulations Emergency Committee
Mutation of avian influenza A(H7N9): now highly pathogenic for poultry but risk of human-to-human transmission remains low
The upsurge of human cases in China during the winter 2016-2017 due to A(H7N9) gives cause for concern.