Virus spread at the single-cell level is largely uncharacterized. We have designed and constructed a microfluidic device in which each nanowell contains a single. infected cell (donor) and a single. uninfected cell (recipient). https://safeersappliancers.shop/product-category/bertazzoni-p905lprox-gas-hob-stainless-steel-90cm-lpg-convertible/