Health clarification concerning the effectiveness of the first dose of the vaccine “Corona” in the event that the period between the two doses increases

Al-Marsad Journal: The Ministry of Health has clarified to what extent the first dose of the “Corona” vaccine will lose its effect if the period between the two doses of the vaccine increases.
The ministry said the second dose of the Corona virus vaccine can be taken 42 days after the first dose. It should be added that the first dose does not lose its effect if the period is increased until the second dose is taken.