The Lagos State government will on Friday, May 28, begin to administer second shots of AstraZeneca Covid-19 vaccines upon completion of the 12-week interval required between doses to reach efficacy.
Those who have received their first those under the first phase of the vaccine rollout can now return to vaccination sites earlier used, presenting their proof of vaccination.
Vaccination commences from 8am to 3pm, Monday-Saturday, at designated sites. The current phase of the rollout will only last for six weeks, ending July 9.
The vaccines are due to expire by July 9, according to the state Ministry of Health.
Also, the state has assured that it has enough doses of vaccines earmarked to cater to second shots as over 50, 000 more were received from the Federal Government in addition to 507,000 doses earlier allotted.
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“The remaining doses of the Oxford-AstraZeneca COVID vaccine have been reserved at the Lagos State Cold Chain Store for the rollout of the second dose, which will commence from May 28, following the expiration of the 8-12 weeks interval as required by the manufacturers,” the Lagos State Ministry of Health said in a statement sent to BusinessDay.
Second doses are necessary to complete the cycle of vaccine effectiveness. A single dose of AstraZeneca vaccine is only 76 percent effective after three to 12 weeks the shot was administered, research published in Lancet says. Findings show higher efficacy with standard-dose regimens.
