4/14/2023 0 Comments Covid 19 vaccinesĭespite the extremely rapid development of effective mRNA and viral vector vaccines, worldwide vaccine equity has not been achieved. By December 2020, more than 10 billion vaccine doses had been preordered by countries, with about half of the doses purchased by high-income countries comprising 14% of the world's population. Īs of 22 September 2022, 12.7 billion doses of COVID‑19 vaccines have been administered worldwide based on official reports from national public health agencies. ![]() Because COVID-19 vaccines are relatively new, new claims about possible side effects are still being made, and sometimes reports conflict. ![]() Serious adverse events associated COVID‑19 vaccines, such as allergic reactions, are generally rare but of high interest to the public. COVID-19 vaccines are not associated with a higher risk of adverse effects during pregnancy or while breastfeeding. ![]() Ĭommon side effects of COVID-19 vaccines include soreness, redness, rash, inflammation at the injection site, fatigue, headache, myalgia (muscle pain), and arthralgia (joint pain), which resolve without medical treatment within a few days. Many countries implemented phased distribution plans that prioritized those at highest risk of complications, such as the elderly, and those at high risk of exposure and transmission, such as healthcare workers. According to a June 2022 study, COVID-19 vaccines prevented an additional 14.4 to 19.8 million deaths in 185 countries and territories from 8 December 2020 to 8 December 2021. The COVID‑19 vaccines are widely credited for their role in reducing the spread of COVID-19 and reducing the severity and death caused by COVID‑19. However, immunity from the vaccines has been found to wane over time, requiring people to get booster doses of the vaccine to maintain immunity against COVID-19. Initially, most COVID-19 vaccines were two-dose vaccines, with the sole exception being the single-dose Janssen COVID-19 vaccine. In 2020, the first COVID-19 vaccines were developed and made available to the public through emergency use authorization. In January 2020, the SARS-CoV-2 genetic sequence data was shared through GISAID, and by March 2020, the global pharmaceutical industry announced a major commitment to address COVID‑19. The initial focus of SARS-CoV-2 vaccines was on preventing symptomatic, often severe illness. This knowledge accelerated the development of various vaccine platforms during early 2020. Prior to the COVID‑19 pandemic, an established body of knowledge existed about the structure and function of coronaviruses causing diseases like severe acute respiratory syndrome (SARS) and Middle East respiratory syndrome (MERS). Go to and enter your zip code to find vaccination sites near you.įor more information about the Health Department’s COVID-19 response, visit munity.ĭownload the FOX13 Memphis app to receive alerts from breaking news in your neighborhood.A COVID‑19 vaccine is a vaccine intended to provide acquired immunity against severe acute respiratory syndrome coronavirus 2 (SARS‑CoV‑2), the virus that causes coronavirus disease 2019 ( COVID‑19). In addition to the Health Department, COVID-19 vaccinations are also free and widely available at pharmacies and other vaccination sites all over Shelby County. I strongly encourage anyone who is eligible to consider receiving a booster dose with a bivalent COVID-19 vaccine.” As we head into fall and begin to spend more time indoors, these updated boosters may give us increased protection and head off a surge in COVID-19 hospitalizations. ![]() Michelle Taylor said, “Based on the data supporting the authorization of these new boosters, the bivalent COVID-19 vaccines are expected to provide increased protection against the currently circulating Omicron variants. Shelby County Health Department Director Dr. These new vaccines are called “bivalent” because they trigger immune responses to both the original COVID-19 virus and to the newer Omicron variants, SCHD said. The new Moderna booster is authorized for people 18 years old and older, and the Pfizer booster is authorized for individuals aged 12 and older.Ĭurrently, SCHD is only offering the updated Pfizer booster, but expects to also offer the updated Moderna booster in the coming weeks. The updated booster vaccine can only be given to people who have, at a minimum, completed the initial two-dose series of either Pfizer or Moderna COVID-19 vaccine at least two months ago, according to a release from SCHD. The vaccinations are available at no cost at the following locations on a walk-in basis Monday-Friday, between 8 a.m. The Shelby County Health Department is providing the recently-approved COVID-19 booster vaccines to those who qualify for a booster dose.
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