Oncolytics Biotech was up as much as 12% today after announcing a successful phase 2 metastatic melanoma trial for its cancer drug Reolysin, which is based on a common virus. 

In this video, health-care analyst David Williamson explains what this trial success means for Oncolytics and why the market is skeptical, and he discusses another virus-based cancer drug from a Big Pharma stock that investors may want to put on their radars.

Another topic health care investors need to keep up on is Obamacare, as the law will undoubtedly have far-reaching effects. The Motley Fool's new free report "Everything You Need to Know About Obamacare," lets you know how your health insurance, your taxes, and your portfolio will be affected. Click here to read more. 


The article A New Cancer-Killing Virus originally appeared on Fool.com.

David Williamson has no position in any stocks mentioned. Follow David on Twitter: @MotleyDavid. The Motley Fool has no position in any of the stocks mentioned. Try any of our Foolish newsletter services free for 30 days. We Fools don't all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.

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