Background Before the COVID-19 pandemic, Sexually transmitted infections (STIs) were increasing in Europe, and Spain and Catalonia were not an exception. Catalonia has been one of the regions with the highest number of COVID-19 confirmed cases in Spain. The objective of this study was to estimate the magnitude of the decline, due to the COVID-19 pandemic, in the number of STI confirmed cases in Catalonia during the lockdown and de-escalation phases. Methods Interrupted time series analysis was performed to estimate the magnitude of decline in the number of STI reported confirmed cases - chlamydia, gonorrhoea, syphilis, and lymphogranuloma venereum- in Catalonia since lockdown with historical data, from March 13th to August 1st 2020, comparing the observed with the expected values. Results We found that since the start of COVID-19 pandemic the number of STI reported cases was 51% less than expected, reaching an average of 56% during lockdown (50% and 45% during de-escalation and new normality) with a maximum decrease of 72% for chlamydia and minimum of 22% for syphilis. Our results indicate that fewer STIs were reported in females, people living in more deprived areas, people with no previous STI episodes during the last three years, and in the HIV negative. Conclusions The STI notification sharp decline was maintained almost five months after lockdown started, well into the new normality. This fact can hardly be explained without significant underdiagnosis and underreporting. There is an urgent need to strengthen STI/HIV diagnostic programs and services, as well as surveillance, as the pandemic could be concealing the real size of the already described re-emergence of STIs in most of the European countries.
Background The COVID-19 pandemic could have negative effects on tuberculosis (TB) control. The objective was to assess the impact of the pandemic in contact tracing and latent tuberculosis infection (LTBI) in contacts of patients with pulmonary TB in Catalonia (Spain). Methods Contact tracing was carried out in cases of pulmonary TB detected during 14 months in the prepandemic period (1/1/2019 to 28/2/2020) and 14 months in the pandemic period (1/3/2020 to 30/4/2021). Contacts received the tuberculin skin test and/or interferon gamma release assay and it was determined whether they had TB or LTBI. Variables associated with TB or LTBI in contacts (study period and sociodemographic variables) were analyzed using adjusted odds ratio OR (aOR) and the 95% confidence intervals (CI). Results The pre-pandemic and pandemic periods showed, respectively: 503 and 255 pulmonary TB reported cases (reduction of 50.7%); and 4676 and 1687 contacts studied (reduction of 36.1%). In these periods the proportion of TB cases among the contacts was 1.9% (84/4307) and 2.2% (30/1381) (p = 0.608); and the proportion of LTBI was 25.3% (1090/4307) and 29.2% (403/1381) (p < 0.001). The pandemic period was associated to higher LTBI proportion (aOR=1.3; 95%CI 1.1-1.5), taking into account the effect on LTBI of the other variables studied as sex, age, household contact and migrant status. Conclusions COVID-19 is affecting TB control due to less exhaustive TB and LTBI case detection. An increase in LTBI was observed during the pandemic period. Efforts should be made to improve detection of TB and LTBI among contacts of TB cases.
Setting: Tuberculosis (TB) control requires the proper identification and treatment of affected patients and investigation of their contacts. In certain vulnerable immigrant groups, however, these tasks may be hindered due to their ethnic and sociocultural characteristics. Objective: To analyse the results of a community programme designed to locate hard-to-reach immigrants with TB. Design: Descriptive study of all cases diagnosed with confirmed TB referred to the Public and Community Health team of the Drassanes International Health Unit in Barcelona during 2012-2014 due to difficulties in tracing these patients. Both cases and contacts were categorised based on their World Health Organization region of origin. The sociodemographic characteristics of each group and the community interventions carried out during the tracing period are described. Results: A total of 122 cases and 316 contacts were detected. As a result of community-based strategies, 73% of the initial cases completed treatment; 3.8% of the contacts were diagnosed with TB, 91.7% of whom were treated appropriately; 17.1% contacts had latent infection, 79.3% of whom completed chemoprophylaxis. Conclusions: Intervention strategies with a community approach for follow-up and control of TB in certain immigrant communities seem to be effective.
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