Most office buildings around the country have remained empty over the past year as companies quickly pivoted to working remotely to help slow the pandemic's spread. However, many office campuses owned by office real estate investment trust (REIT) Alexandria Real Estate Equities (NYSE: ARE) have been buzzing with activity during the outbreak. That's because many of its tenants have been working around the clock waging war against the virus, and they needed the company's specialized lab space to develop solutions aimed at defeating the pandemic.