An outbreak of viral pneumonia that began in the central Chinese city of Wuhan at the end of 2019 has now sickened thousands, and led to more than 100 deaths. Here, we answer some key questions about what is known so far about the outbreak and the virus.
Multiple social media posts are spreading a bogus conspiracy theory about the deadly Wuhan virus. The posts falsely claim that the virus has been patented and a vaccine is already available. That’s not true; the patents the posts refer to pertain to different viruses.
Q: Did people develop cancer because of the polio vaccine?
A: There are no known cases, and it’s very unlikely. In the 1950s and 1960s, people did receive polio vaccines contaminated with a virus that causes cancer in rodents. But research suggests this virus doesn’t cause cancer in humans.