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SIRVA is caused by improper insertion of the needle used in injections. It is "a preventable occurrence caused by the injection of a vaccine into the shoulder capsule rather than the deltoid muscle. As a result, inflammation of the shoulder structures causes patients to experience pain, a decreased range of motion, and a decreased quality of life."
After a third shot of Pfizer's vaccine, injection-site pain is most common side effect, followed by fatigue and headache. The most common side effects to expect after your Pfizer booster: headache ...
Back pain. When your back aches and there’s no obvious cause (like lifting heavy boxes or falling), inflammation could be the root cause. Inflammatory back pain tends to come on gradually and ...
In December 2020, the Swiss Agency for Therapeutic Products (Swissmedic) granted temporary authorization for the Pfizer–BioNTech COVID‑19 vaccine for regular use, two months after receiving the application, saying the vaccine fully complied with the requirements of safety, efficacy and quality.
On 14 December 2020, Singapore became the first Asian country to approve Pfizer-BioNTech's coronavirus vaccine. [9] The first shipment of the vaccine arrived seven days later on 21 December. [10] [11] Singapore also received its first shipment of Sinovac Biotech's CoronaVac vaccine, on 22 December 2020.
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The vaccine is given by injection into a muscle. [13] Serious side effects from the hepatitis B vaccine are very uncommon. [13] Pain may occur at the site of injection. [13] It is safe for use during pregnancy or while breastfeeding. [13] It has not been linked to Guillain–Barré syndrome. [13]
Pfizer's attempt to as much as quadruple its current U.S. prices for its COVID-19 vaccines going forward could spur revenues for years, analysts said. The drugmaker, which developed and sells the ...