Dear Editor:

In fighting the COVID-19 pandemic, healthcare facilities and healthcare professionals (HCPs) are experiencing severe shortages of personal protective equipment (PPE) such as gloves, gowns, and respirators (Ranney et al. 2020). Recognizing that PPE is essential to protect frontline workers from infection and cross-contamination, healthcare institutions, public health organizations, and governments are trying urgently to improve the available supply.

The Journal of the American Medical Association recently issued a call for ideas to address these shortages (Bauchner et al. 2020). One common theme was to “retrieve” PPE from existing supplies in the community, such as from local dentists, veterinarians, and nail salons (Livingston et al. 2020). Hospitals here in Toronto opened donation sites but, early on, lacked a centralized effort to actively procure PPE from the service sector.

To address this, our grassroots taskforce (“PPE for HCPs Toronto”) developed a proof of concept algorithm in Python (v2.7) to identify potential service sector donors in the public directory: http://www.YellowPages.ca. Using this algorithm, we compiled a list of all 4489 dentists, veterinarians, estheticians, tattooists, contractors, and painters in the Toronto metropolitan area. On March 24, our volunteers began cold calling and e-mailing them to seek donations.

In our first week, we contacted 2640 businesses and received a response from 473 (17.9%). Ultimately, 110 (4.2%) agreed to donate or stated they had already done so. These efforts yielded 80,000 pairs of gloves, 2000 gowns, 6000 surgical masks, and 700 N95 respirators. Our algorithm has been used to provide lists of target businesses to similar taskforces in twelve other regions in Canada, which have seen comparable success so far.

The low response rates we experienced can be attributed to the recommendations made by the provincial government for non-essential businesses to close starting March 23—one day before we began soliciting donations (Rocca and Westoll 2020). Had we developed the algorithm and begun contacting businesses earlier, we might have retrieved a PPE stockpile many times larger in our first week.

This experience highlights the importance of having plans in place to mobilize resources proactively during public health crises. While cold calling is resource-intensive, our results show it is a worthwhile effort. In the future, public health units and governmental organizations may benefit from algorithms similar to ours that can quickly identify potential sources of PPE in the community (Gilmore and Singh 2020). Working with designated taskforces to contact these sources early could mitigate anticipated PPE shortages. This could also support government buyback schemes from the local service sector, especially when international trade may become restricted (Reynolds 2020). Ultimately, these measures could be implemented as part of orchestrated efforts to equip frontline HCPs with sufficient PPE during a pandemic response.