“…Though not shown in Fig. 3 , due to the respective values being smaller than 1%, journals in the following subject areas (those that are deemed minor areas in relation to Covid-19 literature) have each published a relatively considerable number of studies on this topic (a feature that is not necessarily shared by the rest of the literature on coronaviruses): Arts and Humanities (110 items, 2 where the most active journal has been Social Anthropology (24 items) covering topics such as “climate change reactions” (Bychkova 2020 ), or “legal voids linked to declared states of emergency” (Karaseva 2020 )), Economics, Econometrics and Finance (84 items, with Economic and Political Weekly (36 items) being the most active journal of that category, covering topics such as “food supply chains” (Reardon et al 2020 ), “economic stimulus packages” (Mulchandani 2020 ) or “reverse migration” (Dandekar and Ghai 2020 )), Physics and Astronomy (77 items, where Chaos Solitons and Fractals (16 items) has been the most active publication outlet, covering topics such as “mathematical models for forecasting the outbreak” (Barmparis and Tsironis 2020 ; Bekiros and Kouloumpou 2020 ; Boccaletti et al 2020 ; Ndaïrou et al 2020 ; Postnikov 2020 ; Ribeiro et al 2020 ; Zhang et al 2020 )), Energy (67 items, with International Journal of Advanced Science And Technology (44 items) being the most active journal in that category, covering topics such as “Flexible work arrangement in manufacturing” (Sedaju et al 2020 )), Material Sciences (57 items, with ACS Nano (10 items) being the most active outlet in that category, covering topics such as “3-D printed protective equipment” (Wesemann et al 2020 )), Decision Sciences (23 items, with Lancet Digital Health (8 items) and Transportation Research Interdisciplinary Perspectives (4 items) being the most active outlets in that category, covering topics such as “the effect of social distancing on travel behaviour” (De Vos 2020 ) or “the implementation of drive-through and walk-through diagnostic testing” (Lee and Lee 2020 )), Earth and Planetary Sciences (22 items, with Indonesian Journal of Science and Technology (8 items) being most active in that domain, covering topics such as “the deployment of drones in sending drugs and patient blood samples” (Anggraeni et al 2020 )).…”