- Boston biotech conference led to 333,000 Covid-19 cases across US, genetic fingerprinting showsĀ Ā CNN
- Study Shows Biogen Conference Could Be Linked To As Many As 300000 Cases WorldwideĀ Ā CBS Boston
- Boston conference in February linked to as many as 300,000 coronavirus cases worldwide | TheHillĀ Ā The Hill
- Biogen conference in Boston now linked to more than 300,000 COVID-19 casesĀ Ā WCVB Boston
- Biogen conference led to cases in 29 states, 3 countriesĀ Ā WCVB Channel 5 Boston
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