Studies show the effectiveness of different COVID-19 vaccines available in Australia

New studies have shown the effectiveness of COVID-19[female[feminine vaccines available in Australia to prevent hospitalizations from the virus.

A study found that a double dose of Pfizer or Moderna offered almost 95% and 96% protection against contracting COVID-19 during the first two months.

Several studies have shown the effectiveness of Pfizer, Moderna and AstraZeneca against COVID-19. (Getty)

It then fell to 67 and 80 percent after seven months.

Immunity after the second dose was found to wane after 20 weeks, especially for people over 65 years of age.

International researchers have said that a double dose still offers “strong protection” against hospitalization and death.

As AstraZeneca's supply began to improve, confidence in the vaccine was shaken by a number of reports of blood clots developing as a side effect.  April saw one of the first reported cases, a 44-year-old Victorian man admitted to Box Hill Hospital in Melbourne.  He developed blood clots in his spleen, liver and intestines after receiving the vaccine.
One study showed that a combination of Pfizer and AstraZeneca was effective against Omicron. (PA)

Pfizer has been shown to be over 94% effective in keeping teens from ending up in hospital.

US research has found that the Pfizer vaccine is 98% effective in preventing adolescents from ending up in intensive care.

The study also showed that a combination of AstraZeneca and Pfizer was more effective in neutralizing the Omicron variant than AstraZeneca alone.

Over 92% of Australians over 16 are now fully vaccinated.

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