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Currently, two approved vaccines from Pfizer and Modernized pharmaceutical companies are administered ached across the United States, but this list should develop soon, asJohnson & Johnson asked for an emergency authorization With American food and drugs. There is also another Astrazeneca-Oxford vaccine currently being administered at the U.K. and a dozen other countries around the world, with expectations that an application will soon be submitted for its approval in the United States. This vaccine has, however, caused concerns with worried officials at a timeHow does it work with seniors and with theSouth African variant. Now, the World Health Organization (WHO) officially weighs guidance on this vaccine, releasing their provisional recommendations on how it should be administered and to whom. Read it to see how it differs from existing shots and for more where you could be vaccinated quickly, discoverYou can be vaccinated at any Walgreens on this date.

According to the provisional guidelines of WHO, theAstrazeneca vaccine efficiency actually increases when more time is taken between the two shots required. As such, the Agency advises that "in the light of observation that the efficiency and immunogenicity at two doses increase with aInterdose interval longer, Which recommends an interval of 8 to 12 weeks between doses. And for more vaccine guidance addresses, discover whyDr. Fauci says do not do it after your first shot Covid.

WHO has also clarified that even if the chronology between the two required shots was somewhat flexible, it was always advisable that patients receive both. The directive indicates: "If the second dose is inadvertently administered less than 4 weeks after the first, the dose does not need to be repeated. If the administration of the second dose is inadvertently delayed beyond 12 weeks, it should be given as soon as possible. Opportunity. It is recommended that all vaccinated persons receive two doses. "And for more information on what you should pay attention between doses, checkIf you have these side effects of vaccine, do not get another shot, "said CDC.

WHO's orientations come from days after South African officialsstopped using the AstraZeneca-Oxford vaccine in their country because it did not prevent the disease because of their dominant strain, which hasmutated the virus, according toThe New York Times. Nevertheless, the Strategic Advisory Group on Experts on Immunization (SAGE), advising WHO that stated thatDespite the concerns that it might not be as effective Against the very contagious South African variant of the virus, "there is no reason not to recommend its use," Reuters report. And for more Covid news sent directly to your inbox,Sign up for our daily newsletter.

Recently, the German officials have published a declaration of warning that theyDo not recommend the astrazeneca vaccine For people over 65, CNN reported. The Council cited a study conducted by the Standing Committee on Vaccination of the Robert Koch Institute of Germany, which found that data were not sufficient on the efficiency of the vaccine for this age group specific to the FollowingDo not use enough seniors in clinical trials. As such, the Germany's Ministry of Health has indicated that the vaccine should only be offered to people aged 18 to 65.

In the new guidelines of WHO, the Agency recognizes that there was a "relatively small number of participants aged 65 or older ... recruited in clinical trials". However, WHO stated that "immune responses induced by the vaccine in the elderly are well documented and similar to those of other age groups. ... Take all the evidence available in account, which recommends the vaccine. to be used in people aged 65 and older. "

WHO's intermediate recommendations emphasize that research shows that AstraZeneca vaccine has an efficiency rate of 63.09% against symptomatic covidation, which is considerably lower than 95% of Pfizer and Moderna vaccines.

Strangely, previous studies had found thathigher efficiency rate of 90% has been reported in patients who have received a half-dose of vaccine followed a month later by a complete dose,The New York Timesreports. And for more information on vaccine requirements, check You may soon need a Covid vaccine to do this thing, officials say .