Question

In India, When did the third phase of covid-19 vaccination start.​

Answer 1

Answer:

covid-19 third phase vaccination that is for everyone above 18 years, got started on 1 May

Explanation:

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Answer 2

Answer:

In Phase III trials, several COVID‑19 vaccines have demonstrated efficacy as high as 95% in preventing symptomatic COVID‑19 infections. Twenty vaccines are authorized by at least one national regulatory authority for public use: two RNA vaccines (Pfizer–BioNTech and Moderna), nine conventional inactivated vaccines (BBIBP-CorV, Chinese Academy of Medical Sciences, CoronaVac, Covaxin, CoviVac, COVIran Barakat, Minhai-Kangtai, QazVac, and WIBP-CorV), five viral vector vaccines (Sputnik Light, Sputnik V, Oxford–AstraZeneca, Convidecia, and Janssen), and four protein subunit vaccines (Abdala, EpiVacCorona, MVC-COV1901, Soberana 02, and ZF2001).[5][6] In total, 330 vaccine candidates are in various stages of development, with 102 in clinical research, including 30 in Phase I trials, 30 in Phase I–II trials, 25 in Phase III trials, and 8 in Phase IV development.[5]

Many countries have implemented phased distribution plans that prioritize those at highest risk of complications, such as the elderly, and those at high risk of exposure and transmission, such as healthcare workers.[7] Single dose interim use is under consideration to extend vaccination to as many people as possible until vaccine availability improves.[8][9][10][11]

As of 28 July 2021, 4.07 billion doses of COVID‑19 vaccine have been administered worldwide based on official reports from national public health agencies.[12] AstraZeneca anticipates producing 3 billion doses in 2021, Pfizer–BioNTech 1.3 billion doses, and Sputnik V, Sinopharm, Sinovac, and Janssen 1 billion doses each. Moderna targets producing 600 million doses and Convidecia 500 million doses in 2021.[13][14] By December 2020, more than 10 billion vaccine doses had been preordered by countries,[15] with about half of the doses purchased by high-income countries comprising 14% of the world's population.[16]

Explanation:

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