Varicella is caused by the varicella-zoster virus (VZV), which also causes shingles (herpes zoster). The virus typically affects children aged 2‒8 years.
Prevalence data from sources such as population surveys can be a useful complement to case based surveillance data for hepatitis C. Case-based surveillance has limitations as most diagnosed cases are chronic in nature and detection of cases depends largely on testing practices. Prevalence data can therefore contribute towards a fuller understanding of the epidemiology of hepatitis C.
Prevalence data from sources such as population surveys can be a useful complement to case based surveillance data for hepatitis B. Case-based surveillance has limitations as most diagnosed cases are chronic in nature and detection of cases depends largely on testing practices. Prevalence data can therefore contribute towards a fuller understanding of the epidemiology of hepatitis B.
Immediate health needs following earthquakes in Türkiye and Syria are mostly related to trauma and the disruption of healthcare, however, infectious disease threats may be concerning in the following two to four weeks.
This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 26 June-2 July 2022 and includes updates on West Nile virus infection, COVID-19, hepatitis, monkeypox, plague, dengue, polio, chikungunya and cholera.