The show must go on! Strategies for making and makerspaces during pandemic.

The COVID-19 pandemic is challenging for Fab Labs and makerspaces where the use of digital fabrication machines and working with physical materials in collaboration with others are at the heart of the activities. We have been actively promoting children's technology education both by training local teachers and by working with children themselves. The restrictions have resulted in limiting the number of participants or moving to online working, or even closing the workspaces and cancelling the events. To continue our work, we needed to explore new solutions for the situation. We have provided online training for teachers, experimented with working in family groups and fully online, while access to the digital fabrication machines and children's engagement in online activities were the largest challenges we encountered. We report in this paper our experiences with different solutions as well as challenges we have faced, both as regards technology education of children and collecting research data related to that.

Serological study of small ruminant lentiviruses in sheep population of Khorasan-e-Razavi province in Iran.

Maedi-Visna (MV) virus and caprine arthritis encephalitis (CAE) virus known as small ruminant lentiviruses (SRLVs) cause chronic diseases in susceptible animals. The main reservoirs of these viral agents are sheep and goat. In sheep, MV virus causes a disease as the same name of the virus. This is the first seroprevalence survey of SRLVs in sheep population of Khorasan-e-Razavi province in Iran. Two hundred and twenty sheep from 30 flocks in 12 regions of the province were selected by random cluster sampling method. Serum samples were analyzed for the presence of antibodies against MV/CAE viruses. The seroprevalence in sheep was 34.5% (95.0% CI: 28.3 to 40.7%). Totally, the seroprevalence was in the range of 6.7 to 72.2 %. In 26 flocks of sheep (89.6%; 95.0%CI: 74.4 to 98.8%), at least one seropositive case was detected. The relationship between seropositivity and age, sex, flock size and breeds of sheep were statistically analyzed. In logistic regression model, only age was correlated with SRLV seroprevalence (p < 0.05). This study showed relatively high seroprevalence against SRLVs in sheep population in this area of the country. Due to difficulty in clinical diagnosis, chronic course of the disease, the absence of effective vaccine and treatment and huge economic loss, more epidemiological studies with regards to prevention and control of the disease are necessary.