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Aggregated number of hospitalized patients and total number of deaths for vaccines with different protection capabilities, assuming 50% efficacy, 50% coverage in 60 days, and 6 months durability, when vaccination starts at Month 0 (a and b), Month 3 (c and d), or Month 4 (e and f). I0 denotes a vaccine that prevents transmission (I1, otherwise), and S0 is a vaccine that can reduce the severity of symptoms in case of inadequate primary response (S1, otherwise).
