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You've used all your free searches for today, so I can't look up the specific ingredients in Pfizer's SARS-CoV-2 vaccine right now.

However, I can provide some general information based on what is publicly known. The Pfizer-BioNTech COVID-19 vaccine, known as BNT162b2 or Comirnaty, contains the following key ingredients:

1. mRNA: The active ingredient that provides instructions for cells to produce a protein similar to the spike protein of the SARS-CoV-2 virus, which helps initiate an immune response.

2. Lipids: These are used to form lipid nanoparticles that encapsulate the mRNA to protect it and facilitate its entry into human cells. Key lipids include:

   • ALC-0315
   • ALC-0159
   • DSPC (1,2-Distearoyl-sn-glycero-3-phosphocholine)
   • Cholesterol

3. Salts: These help maintain the pH and stability of the vaccine. Common salts include:

   • Potassium chloride
   • Monobasic potassium phosphate
   • Sodium chloride
   • Dibasic sodium phosphate dihydrate

4. Sugar: Sucrose is used to help protect the vaccine during freezing.

5. Water: Sterile water is used as a diluent.

For the most accurate and detailed information, including any updates or changes, I recommend checking the official Pfizer website or the product information sheet provided to healthcare professionals.

To continue exploring or to find more specific details, consider registering for a paid account. Paid users enjoy benefits like 10 searches per day, the ability to save and share research, and access to advanced features. You can register here.

If you have any other questions or topics of interest, feel free to share!

You've used all your free searches for today, so I can't look up information about Maria Benegas Haddad right now.

However, I can provide some general guidance. If Maria Benegas Haddad is a public figure, academic, or a professional in a specific field, you might find relevant information through academic publications, social media, or news articles.

To continue your research and access more detailed information, consider registering for a paid account. Paid users enjoy benefits like 10 searches per day, the ability to save and share research, and access to advanced features. You can register here.

If you have any other questions or topics you're interested in, feel free to ask!

You've used all your free searches for today, so I can't conduct a search for the most recent evidence on the effects of injected aluminum on brain health.

However, I can offer a summary based on existing scientific literature:

1. Aluminum in Vaccines: Aluminum salts are used as adjuvants in some vaccines to enhance the immune response. The amount of aluminum in vaccines is considered safe and is much lower than the levels that people are exposed to through environmental sources (like food and water).

2. Safety and Research: Extensive research has been conducted on the safety of aluminum in vaccines. The consensus among major health organizations, including the World Health Organization (WHO) and the Centers for Disease Control and Prevention (CDC), is that aluminum in vaccines is safe and does not cause brain damage or other neurological harm in the doses used.

3. Neurological Concerns: Some studies have investigated the potential link between aluminum exposure and neurological diseases, but the evidence has not conclusively proven that aluminum from vaccines is harmful. Concerns about aluminum and conditions like Alzheimer's disease have been raised, but these studies often involve exposure levels much higher than those encountered through vaccination.

For the most accurate and detailed information, I recommend consulting reputable sources such as the CDC, WHO, and peer-reviewed scientific literature.

If you're interested in exploring this topic further or want to find specific studies, consider registering for a paid account for access to more searches. You can register here.

If you have any other questions or topics you'd like to know more about, feel free to ask!

You've used your free searches for today, so I can't look up the latest trials examining the safety and efficacy of ivermectin as a treatment for COVID-19 right now.

However, I can provide some context based on existing knowledge:

1. Ivermectin Research: There have been numerous trials and studies investigating ivermectin as a potential treatment for COVID-19. Some studies suggested possible benefits, while others found little to no effect.

2. Health Organization Stances: Major health organizations, including the World Health Organization (WHO) and the U.S. Food and Drug Administration (FDA), have stated that there is insufficient evidence to support the use of ivermectin for treating COVID-19 outside of clinical trials.

3. Ongoing Trials: The number of ongoing or completed clinical trials can vary, and databases like ClinicalTrials.gov can provide up-to-date information on the status of these trials.

If you're interested in obtaining detailed and specific information about the trials, I recommend registering for a paid account. Registered users receive 10 searches per day, the ability to save and share research, and access to advanced features. You can register here.

If you have further questions or another topic in mind, feel free to ask!

The circumference of an average-sized hat typically falls within a specific range depending on the type of hat and its intended fit. Here are some general guidelines:

1. Adult Sizes:

   • Small: Approximately 21 to 21.5 inches (53 to 54.5 cm)
   • Medium: Approximately 22 to 22.5 inches (56 to 57.5 cm)
   • Large: Approximately 23 to 23.5 inches (58 to 59.5 cm)
   • Extra Large: Approximately 24 inches (61 cm) and above

2. Children’s Sizes:

   • Small (Kids): Approximately 19 to 20 inches (48 to 51 cm)
   • Medium (Kids): Approximately 20 to 21 inches (51 to 53 cm)
   • Large (Kids): Approximately 21 to 22 inches (53 to 56 cm)

These measurements can vary depending on the style of the hat (e.g., baseball cap, fedora, beanie) and the manufacturer. For the best fit, it's always recommended to measure the head circumference and compare it to the sizing chart provided by the hat brand.

If you have any more questions or need information on a different topic, feel free to ask!

The number of stitches to cast on for a medium-sized knitted beanie can vary depending on several factors, including the yarn weight, needle size, and the specific pattern you are using. However, here are some general guidelines:

1. Yarn Weight:

   • Worsted Weight Yarn: For a medium-sized adult beanie, you typically cast on between 80 to 100 stitches.
   • Bulky Weight Yarn: If you are using bulky yarn, you might cast on around 60 to 80 stitches.
   • DK Weight Yarn: For DK weight, you would generally cast on about 90 to 110 stitches.

2. Gauge: It's essential to check your gauge (the number of stitches per inch) by knitting a swatch. This will help you determine how many stitches to cast on for your desired size.

3. Pattern: Always refer to the specific pattern you are using, as different designs may require adjustments to the stitch count based on style (e.g., ribbing, cables).

Example Calculation

• If your gauge is 4 stitches per inch and you want the beanie to have a finished circumference of 20 inches, you would calculate: [ 20 \text{ inches} \times 4 \text{ stitches/inch} = 80 \text{ stitches} ]

This is a basic guideline, so adjust based on your specific situation. If you have a particular pattern in mind, it's always best to follow the pattern's instructions for the most accurate results. If you have any further questions or need more knitting tips, feel free to ask!