- Minaj skipped this year's Met Gala, which enforced a vaccine mandate, saying she was generally avoiding public events because she has a new baby at home.
- Minaj said a family friend developed swollen testicles and impotency after getting the Covid vaccine shots.
- Doctors were quick to point out that whatever Minaj's relative's friend was suffering from weren't known side effects from getting the shots.
Nicki Minaj faced public backlash after tweeting that a friend of her cousin developed swollen testicles and impotence after getting vaccinated against Covid-19.
In a series of tweets Monday, the 10-time Grammy-nominated rap artist told fans she would only get immunized once she did enough research and recommended that they wear masks and get the shots if they're required to for work. Minaj skipped Monday's Met Gala, which enforced a vaccine mandate, saying she was generally avoiding public events because she has a new baby at home.
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Minaj said she was shooting a video and preparing for the Video Music Awards, which aired Sunday, when she caught Covid earlier this year and had to quarantine away from her infant son for a week.
Most people, however, seized on her comments about her cousin's friend, which many people criticized as spreading false information.
MSNBC host Joy Reid criticized Minaj: "You have 22 million followers on Twitter. For you to use your platform to encourage our community to not protect themselves and save their lives, by God sister, you can do better than that."
Minaj lashed out at Reid over Twitter, sharing the news clip and using a racial slur to insult the MSNBC host of "The Reidout," who is also Black.
Doctors were quick to point out that whatever Minaj's relative's friend was suffering from weren't known side effects from getting the shots.
"We are all human, and we tend to associate things," Dr. Arturo Casadevall, chair of molecular microbiology and immunology at the Johns Hopkins Bloomberg School of Public Health, told CNBC. He noted that swollen testicles and impotence aren't side effects of the vaccine. "So oftentimes, things that are not related get associated, and to that person, that association is very strong. But this is why we have science."
Casadevall said the symptoms experienced by Minaj's cousin's friend were "almost certainly" not connected to the vaccines, and the timing was just a coincidence.
Minaj skipped the Met Gala in New York City, which enforced a vaccine requirement for guests. She replied to a fan who noted Minaj had not made a public appearance for over a year, saying that she was avoiding travel to protect the health of her infant son.
In a subsequent tweet, Minaj said she was "sure" she'd eventually get vaccinated in order to go on tour. Attempts to reach Minaj's representatives were unsuccessful.
Vaccine hesitancy is common nationwide, a recent CNBC/Change Research poll found, and it's a major obstacle to achieving the herd immunity that experts say is necessary to prevent Covid surges in the U.S. The poll reported that 34% of unvaccinated respondents said they were worried about the vaccine's side effects, while another 34% said their suspicion of the federal government made them reluctant to vaccinate.
Debunking misinformation through conversations with the vaccine hesitant is essential to building public trust, Casadevall said.
"These vaccines are extremely safe," Casadevall said, noting that the risks of the side effects from the vaccines are significantly lower than the health risks posed by the virus. "Covid, on the other hand, is deadly, unpredictable."
And for anyone like Minaj seeking more research on the available vaccines before scheduling an appointment to immunize, Casadevall suggested turning to the Centers for Disease Control and Prevention and the Food and Drug Administration for guidance.
"I don't think doing research on the internet, or reading Twitter posts or something like that, is research," Casadevall said. "Research means that you have a systematic way to look at the problem."
Disclosure: MSNBC and CNBC are divisions of NBCUniversal.