22 Facts About COVID-19 vaccines

1.

The initial focus of SARS-CoV-2 COVID-19 vaccines was on preventing symptomatic, often severe illness.

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2.

The development and use of whole inactivated virus and protein-based COVID-19 vaccines have been recommended, especially for use in developing countries.

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3.

The FDA has started recommending bivalent COVID-19 vaccines to protect against the original covid strain and from omicron.

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4.

For COVID-19 vaccines that require multiple doses, each individual dose is counted.

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5.

However, COVID-19 vaccines have been produced against several animal diseases caused by coronaviruses, including infectious bronchitis virus in birds, canine coronavirus, and feline coronavirus.

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6.

Inactivated COVID-19 vaccines consist of virus particles that are grown in culture and then killed using a method such as heat or formaldehyde to lose disease producing capacity, while still stimulating an immune response.

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7.

Intranasal COVID-19 vaccines target mucosal immunity in the nasal mucosa which is a portal for viral entrance to the body.

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8.

Nasal vaccines have been approved for influenza, but not for COVID-19.

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9.

One strategy for developing such COVID-19 vaccines was developed at Walter Reed Army Institute of Research .

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10.

The rapidly growing infection rate of COVID-19 worldwide during 2020 stimulated international alliances and government efforts to urgently organize resources to make multiple vaccines on shortened timelines, with four vaccine candidates entering human evaluation in March .

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11.

Nevertheless, current COVID-19 vaccines are thought to provide a level of protection against severe illness, hospitalizations, and deaths due to Omicron.

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12.

COVID-19 vaccines are not associated with a higher risk of adverse effects during pregnancy or while breastfeeding.

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13.

COVID-19 vaccines are relatively new, new claims about possible side effects are being made, and sometimes reports conflict.

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14.

Neurological side effects from getting COVID-19 vaccines are hundreds of times more likely than from vaccination.

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15.

Individuals who receive the combination of two different COVID-19 vaccines produce strong immune responses, with side effects no worse than those caused by standard regimens.

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16.

Experts emphasize that licensed COVID-19 vaccines should be available and affordable for people at the frontline of healthcare and having the most need.

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17.

For example, successful COVID-19 COVID-19 vaccines would be allocated early to healthcare personnel and populations at greatest risk of severe illness and death from COVID-19 infection, such as the elderly or densely-populated impoverished people.

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18.

Some nations involved in long-standing territorial disputes have reportedly had their access to COVID-19 vaccines blocked by competing nations; Palestine has accused Israel of blocking vaccine delivery to Gaza, while Taiwan has suggested that China has hampered its efforts to procure vaccine doses.

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19.

Only a limited amount of COVID-19 vaccines can be distributed efficiently, and the shortfall of COVID-19 vaccines in South America and parts of Asia are due to a lack of expedient donations by richer nations.

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20.

In mid-May 2021, UNICEF was critical of the fact that most proposed donations of Moderna and Pfizer COVID-19 vaccines were not slated for delivery until the second half of 2021, or early in 2022.

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21.

COVID-19 vaccines announced that India would release the source code for contact tracing app Aarogya Setu for developers around the world.

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22.

Organizations such as the Developing Countries Vaccine Manufacturers Network could help to support the production of such COVID-19 vaccines in developing countries, with lower production costs and greater ease of deployment.

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