Explanation

The USA developed the Pfizer COVID-19 vaccine in collaboration with BioNTech, a German company.

It was one of the first COVID-19 vaccines authorized for emergency use.

Explanation

White Corpuscles, or White Blood Cells (WBCs), or Leukocytes, act as a defense mechanism by fighting infections and diseases in the body.

They play a key role in the immune system.

They help fight infections and protect the body against foreign substances, such as bacteria, viruses, and other pathogens.

Explanation

The USA developed the Pfizer COVID-19 vaccine in collaboration with BioNTech, a German company.

It was one of the first COVID-19 vaccines authorized for emergency use.

Explanation

Nigeria is the first country in the world to introduce vaccine for meningitis

Nigeria has become the first country in the world to roll out the "revolutionary" new Men5CV vaccine against meningitis.

Nigeria is one of the hotspots of the deadly disease in Africa.

In 2023, a 50% rise in annual cases was reported across 26 African countries regarded as meningitis hyperendemic countries

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Explanation

• a patient is receiving blood and experiences share with chill and his temperature is 110F. nurses should in this situation stop the blood immediately