Emergency doctor opens up about his negative reaction to his second Pfizer shot

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Australian emergency room doctor describes his ‘shocking’ side effect to second Pfizer coronavirus shot that left him sad for days

  • A doctor described his side effect on the second shot of the Pfizer Covid vaccine
  • Dr. David Caldicott was given standard vaccines and vaccines for use abroad
  • He said he has never experienced a reaction as severe as with this vaccine

Dr.  David Caldicott (pictured) outlined his side effect on the Pfizer Covid vaccine

Dr. David Caldicott (pictured) outlined his side effect on the Pfizer Covid vaccine

An experienced emergency room doctor says he was knocked out for days by side effects from his second shot of the Pfizer coronavirus vaccine that “ shocked ” him.

David Caldicott. who works at Calvary Hospital in Canberra, was one of the first people in the country to receive the vaccine during the government’s Phase 1a rollout.

Despite receiving childhood immunizations, the flu vaccine every year, and numerous injections as part of international deployments, the veteran physician said the response to the Pfizer shot was the most “ powerful ” he’s ever experienced.

Dr. Caldicott received his first dose of Pfizer’s vaccine in February, which he described as fairly normal with no adverse effects.

“I had a little pain in my arm for a few days after that, which is common with a lot of injections,” he told the doctor ABC

On March 19 – exactly three weeks after the first shot – he received the second dose of the vaccine and got back to his working day.

He remembers starting to experience the effects already that night, with a general uncomfortable feeling.

The next morning, a Saturday, he was so exhausted that he canceled his weekend plans and decided to stay home.

“ Saturday was a blankey and Netflix day … I didn’t have a fever, some people get that, but I was feeling thirsty and tired and a little nauseous, ” he said.

Dr.  Krispin Hajkowicz (pictured) is vaccinated during a rollout of the COVID-19 Pfizer vaccine at STARS Metro North Health facility, in Brisbane on Monday, March 1

Dr.  Krispin Hajkowicz (pictured) is vaccinated during a rollout of the COVID-19 Pfizer vaccine at STARS Metro North Health facility, in Brisbane on Monday, March 1

Dr. Krispin Hajkowicz (pictured) is vaccinated during a rollout of the COVID-19 Pfizer vaccine at STARS Metro North Health facility, in Brisbane on Monday, March 1

After the weekend, he managed to recover, but he was surprised by such a strong response – he went to see his colleagues to see if anyone else was having the same effects.

‘As an emergency doctor you don’t want to look weak. I was very relieved to find that many of my colleagues felt the same … [some] had to take time off from work, ”said Dr. Caldicott.

Nikolai Pterovsky, a professor of medicine at Flinders University, told the ABC that the significant response to the second shot was actually noticed in phase three studies by Pfizer.

“There were very high rates of serious reactions after the second dose … we don’t understand what caused it,” he said.

Vaccines generally work by injecting an attenuated virus or characteristic protein into the body that trains the immune system to recognize and fight the infection without running the risk of an active virus.

Pfizer’s Covid-19 vaccine works differently by injecting messenger RNA into the muscles, which instructs the body to make the signature protein.

The mRNA itself cannot be replicated, so once the first instruction is given, the muscles will produce the virus protein for a few days and then return to normal.

The Pfizer vaccine was created using a new type of technology that contains mRNA that instructs the body to make Covid proteins over a few days that the immune system then fights.

The Pfizer vaccine was created using a new type of technology that contains mRNA that instructs the body to make Covid proteins over a few days that the immune system then fights.

The Pfizer vaccine was created using a new type of technology that contains mRNA that instructs the body to make Covid proteins over a few days that the immune system then fights.

This process eliminates much of the lengthy manufacturing process – allowing the vaccine to be developed and tested so quickly.

These types of vaccines are new compared to existing vaccines because they have only been seriously studied since 2005 after researchers figured out how to stabilize the process.

Pfizer’s vaccine packages the mRNA in a shell of lipids, which Professor Petrovsky said could be the cause of the reaction rather than the virus protein.

The response to the second shot has not been observed in the Moderna or AstraZeneca vaccines.

Dr. Caldicott said, despite his negative reaction to the Pfizer shot, he wouldn’t hesitate for a second to get it again, saying he personally knows people overseas who have died from Covid.

He said he recovered from feeling unwell after the first days or two and experienced no other adverse effects.

Although he said he would recommend taking maybe a day off after the second shot.

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