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U.S. health authorities paused the distribution of Johnson & Johnson's Covid-19 mRNA vaccines to investigate reports of blood clots.

The U.S. Food & Drug Administration (FDA) and the CDC announced the move on Tuesday after reports of the clotting disorders.

Six women between the ages of 18 and 48 complained of blood clots in the brain within two weeks of receiving the Johnson & Johnson single jab vaccine.

Only one woman reportedly died from the clotting disorder in March.

The FDA tweeted on Tuesday: "We are recommending a pause in the use of this vaccine out of an abundance of caution."

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The six women were diagnosed with a rare blood clotting disorder called cerebral venous sinus thrombosis (CVST).

The six women suffered blood clots in the brain, combined with low levels of blood platelets (thrombocytopenia) that caused hemorrhaging (bleeding disorder).

Should You Be Worried?

If you received the Johnson & Johnson single jab vaccine, it's important to know the signs & symptoms of blood clots or bleeding disorders:

  • Shortness of breath (clots in lungs)
  • Chest pain (clots in lungs)
  • Severe headache (clots or bleeding in brain)
  • Abdominal pain (bleeding disorder)
  • Leg pain (clots in legs)
  • Blood in urine (bleeding disorder)
  • Black, tarry stools (bleeding disorder)

    People who received the J&J vaccines and experience the above signs and symptoms should notify your doctor or healthcare provider immediately or go to the emergency room.

    The CDC advised against doctors treating the condition with heparin because heparin is a blood thinner and could make the condition worse.

    "If someone ends up with a very severe headache or any type of shortness of breath, pain in their leg, or severe pain in their abdomen, they would want to seek medical attention,” Dr. Peter Marks, director of the FDA's Center for Biologics Evaluation and Research, said during a press briefing on Tuesday.

    For people who got the vaccine more than a month ago, the risk "is very low at this time," Dr. Anne Schuchat, principal deputy director of the CDC, said Tuesday.

    FYI: An earlier version of this article reported that six women died from blood clots. Only one woman has died.

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    The U.S. government has halted distribution of all Johnson & Johnson single jab mRNA vaccines after concerns about blood clots in the brain.

    Federal authorities have halted distribution of Johnson & Johnson injections at all government facilities, and are asking states to do the same.

    According to a report in the NY Times, six women between the ages of 18 and 48 complained of blood clots. Only one woman died.

    The Federal Food & Drug Administration (FDA) tweeted: "We are recommending a pause in the use of this vaccine out of an abundance of caution."

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    The six women were diagnosed with a rare blood clotting disorder called cerebral venous sinus thrombosis (CVST).

    The women also had low blood platelets count (thrombocytopenia) which causes hemorrhaging (bleeding) in the brain and body. Among the first signs are frequent nosebleeds, bleeding gums, black, tarry stools, and blood in urine.

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    The Johnson & Johnson single jab vaccine was praised by the news media because it required only a single injection.

    Other experimental mRNA vaccines, including Pfizer and Moderna, require two shots spaced about 21 days apart.

    Critics of Johnson & Johnson and other experimental vaccines were quickly branded anti-vaxxers.

    FYI: An earlier version of this article reported that six women died from blood clots. Only one woman has died.

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    Dr. Anthony Fauci was at a loss to explain why coronavirus cases and deaths continue to fall in Texas despite the state reopening.

    During an interview on MSNBC Tuesday morning, Fauci was asked to comment on the positive numbers in Texas.

    The MSNBC host said, "Texas effectively opened up, dropped all those restrictions and said, 'It's back to life.' And if you go to Texas, as you know, it looks like 2019. The restaurants and the bars are full and open. The ballparks are full, and yet, we've seen cases and hospitalizations since then continue to tick downward."

    Fauci, senior advisor to the White House, was pressed by MSNBC to explain why the cases aren't spiking.

    "Yeah, you know, it can be confusing because you may see a lag and a delay, because often you have to wait a few weeks before you see the effect of what you're doing right now," said Fauci. "There are a lot of things that go into that. When you say they had a lot of activity on the outside like ball games. I'm not really quite sure... I hope they continue to tick down, if they do that would be great. But there's always the concern that when you pull back on methods, particularly things like indoor dining, and bars that are crowded, you can see a delay, and then all of a sudden cases tick back up."

    Fauci soldiered on, despite being wrong about the coronavirus in the past.

    "We've been fooled before by situations where people begin to open up -- nothing happens, and then all of a sudden several weeks later, things start exploding on you."

    It has been more than a month since Texas reopened. And states such as Florida and Georgia have been wide open since last summer.

    Watch part of the interview below.

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    State health officials say 246 Michigan residents contracted Covid-19 after they were fully vaccinated. The residents contracted the coronavirus between January and March. Three people died, as a result.

    "These are individuals who have had a positive test 14 or more days after the last dose in the vaccine series," said Lynn Sutfin, a spokesperson for the state health department.

    Health officials say fully vaccinated people can still contract the virus. A study is ongoing to determine whether fully vaccinated people can transmit the virus to others.

    "While it is significantly less likely, it is still possible to contract the virus after being vaccinated," Sutfin told MSN. "Studies indicate that even if vaccinated people do become ill, they are far less likely to experience severe illness requiring hospitalization or resulting in death.

    The CDC and Sutfin recommends wearing face masks and socially distancing for those who've received the vaccine.

    "[T]he possibility of infection and further transmission is why we continue to encourage Michiganders to take precautions while out in public, including wearing masks, washing hands and social distancing, even after receiving the vaccine until more Michiganders have been able to be vaccinated."

    Suftin said the three fully vaccinated people who died were all ages 65 and older. Two of them were within three weeks of receiving their second dose of mRNA vaccine.

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    More women are reporting side effects to the vaccine than men, according to a website that records side effects and deaths.

    79% of women reported side effects in the first 13.7 million Covid-19 vaccine doses administered to Americans this year.

    An infectious disease specialist says there may be a biological reason for the disparity in side effects to the vaccine.

    "We know that with vaccinations and infections, women tend to have a stronger immune response than men," Dr. Simone Wildes, a Boston-based infectious disease specialist, told "Good Morning America." "That's really driven by biological differences in males and females and the sex hormones."

    Wildes explained that men and women experience different side effects because the vaccines tells the body to make foreign proteins.

    "When we get the Covid vaccine, we are introducing proteins into our body that are foreign and we're teaching the cells to make the antibodies and the T-cells to help to fight the infection in case we're exposed to it," she said. "What happens in the female body is those cells create more protein than the male cells would."

    She added: "When females get the vaccine, we're going to complain of more side effects because our immune system is more revved up," Wildes explained. "We are able to produce more of the antibodies..."

    Additionally, Wildes said women in general tend to complain more than men.

    "Women in general just report more, so there is that difference," said Wildes. "I can’t tell you how many men I will see in the hospital who say, ‘My wife forced me to go to the hospital,' while some men will say, 'It's not a big deal.'"

    So far, 38% of the U.S. population has been vaccinated. Only 14% of Black people have been vaccinated.

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    CDC officials warned of "impending doom" as thousands of maskless Spring Breakers continue to descend on Miami and more states have reopened.

    Dr. Rochelle Walensky, head of the U.S. Centers for Disease Control and Prevention, choked back tears as she warned of "impending doom" in an effort to prevent a fourth Covid-19 surge.

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    Despite over 150 million Americans receiving vaccine injections, Dr. Walensky said the United States surpassed 30 million cases of COVID-19 on Sunday.

    "I'm speaking today not necessarily as your CDC director, but as a wife, as a mother, as a daughter to ask you to just please hold on a little while longer... Right now, I'm scared," she said in a video statement.

    She added that the U.S. saw a 10 percent increase in new cases compared with the previous week. Additionally, hospitalizations have increased and deaths are starting to rise.

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    CDC officials discouraged "nonessential travel" and encouraged mask-wearing and social distancing to stop the spread of the virus and its dangerous variants.

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    But their warnings fell on deaf ears in Florida, where Spring break continues uninterrupted. Governors in other states have relaxed Covid-19 restrictions and reopened their states.

    Watch Dr. Walensky's video below.

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    People expecting to receive coronavirus mRNA vaccines at a Virginia Kroger were injected with empty syringes.

    The mishap occurred at a Kroger location in Chesterfield County, Fox News reported.

    A "healthcare professional" at Kroger assumed another colleague had pre-filled the syringes with mRNA vaccine before people came in for their appointments.

    For some reason, the healthcare worker didn't notice the syringes were empty before administering the injections.

    WRIC reported that fewer than 10 people were injected with air in an empty syringe.

    Healthcare workers are trained to examine syringes to make sure there is no air in the syringe before administering shots.

    Injecting people with a bolus of air can be deadly because the air can travel to the heart or lungs and cause a fatal embolism.

    According to WRIC, the patients were later contacted to come back for the actual vaccine.

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    A TikTok user pooped worms after eating prepackaged salad and suffering abdominal pain for months.

    The TikTok user named Jacqui, who is from Montana, shared a photo of what she said were worms she pooped out after eating prepackaged salad.

    "I have struggled with eating disorders my entire life and I was going through a phase where I only ate salads," said TikTok user @jquelly. "My job required me to bring a lunch every day so I would bring one of these prepackaged salads."

    Jacqui said she started getting "really sick," and she felt tired all the time, taking naps every day.

    One day she went to the bathroom and she realized something was moving in the toilet bowl.

    She warned squeamish viewers to look away, before sharing a photo of what was in the toilet bowl. "No poop. Only worms," she said in the video clip.

    In a follow-up video she explained that her insurance didn't cover expensive medication that is usually prescribed for de-worming animals, and she ended up with a $3,000 bill.

    Theresa Fiorito, MD, an infectious disease specialist at NYU Langone Hospital—Long Island, tells Health that ascaris worms are rarely seen in the northern part of the U.S.

    "It's a roundworm that's found in warmer climates, in the soil, and you can get sick when you ingest the eggs," she explains. "But it's more a disease of the tropics that's sometimes seen in the southern US -- it's unusual to see it in Montana."

    Salads can be infested with worm eggs if it is prepackaged in warmer climates outside of the U.S.

    Dr. Fiorito said the most effective medication is a one-time, one-dose of Albendazole, which is usually prescribed by veterinarians.

    "Within 2–3 days, I didn't see any more worms in my stool," she told Buzzfeed. "The stomach aches went away within that time as well."

    To avoid ingesting worm eggs, doctors suggest common sense practices such as washing your bagged salad -- even if it says "pre-washed" on the bag.

    Watch the video here.

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    A new study suggests the coronavirus mRNA vaccines may not be as effective when administered to obese people.

    So far, only 15% of the U.S. population has been vaccinated against Covid-19. Of that number, less than 1% are Black.

    The CDC even has a term for it: Black vaccine hesitancy.

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    According to the news media, the vaccines are "safe and effective." Yet obese Black women are dying within hours after receiving their vaccine doses. A majority of Black women who reportedly died after receiving the vaccines are obese.

    A new study out of Italy found that Pfizer's vaccines may be less effective in obese people who received both doses.

    Researchers at the National Cancer Institute Regina Elena determined that obese people produced only half of the antibodies compared with people with a normal body mass index (BMI).

    "Since obesity is a major risk factor for morbidity and mortality for patients with Covid-19, it is mandatory to plan an efficient vaccination program in this subgroup," the study's authors wrote.

    In addition to obesity, other risk factors for Covid-19 include respiratory disorders, heart disease, diabetes, HIV and smoking.

    Researchers say further studies are needed to determine why the vaccines are less effective for obesity people.

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    Covid-19 mRNA vaccines are causing an unexpected side effect in biological women. The still-experimental messenger ribonucleic acid (mRNA) vaccines have been administered to 65 million Americans.

    Commonly reported side effects include pain around the injection site, headache, fatigue, muscle pain, and death.

    But some women are complaining of an unexpected side effect after the second dose: swollen, painful mammary lymph glands that can mimic breast cancer.

    "I panicked, I'll admit, initially," said Dr. Bridget Rogers, radiologist at Solis Mammography.

    "I had a big, visible, painful lump," she told CBS4 Health Specialist Kathy Walsh. Dr. Rogers said she received her second dose of mRNA vaccine the day before.

    "I tried to reassure myself by remembering that this is actually a sign that the vaccine was doing what it's supposed to do, activating your immune system," she said.

    Still, she admits she had an ultrasound done just to make sure.

    "I've been trying to forewarn women ahead of time," said Dr. Stephanie Miller, a breast surgeon and Medical Director of the Breast Program at Rose Medical Center.

    She tells women to let the mammography center know if you've recently had a vaccine "So that we can have the right explanation for what we're seeing."

    Mammary lymph glands are located in the arm pit and neck on the affected side.

    Swollen, painful lumps in the armpit and in the neck under the jawline are among the first signs of breast cancer in some women.

    Doctors urge women not to take the vaccine if you have a mammogram scheduled the next day because it may trigger a false breast cancer reading.