Study: NCT04626856

Intervention type: BIOLOGICAL
Group type: EXPERIMENTAL
Intervention: Low dosage IRV on a 0- and 28-day schedule
Description: Inactivated Rotavirus vaccine (Vero cell) of 80EU/0.5ml on day 0, 28

Intervention type: BIOLOGICAL
Group type: EXPERIMENTAL
Intervention: Medium dosage IRV on a 0- and 28-day schedule
Description: Inactivated Rotavirus vaccine (Vero cell) of 160EU/0.5ml on day 0, 28

Intervention type: BIOLOGICAL
Group type: EXPERIMENTAL
Intervention: High dosage IRV on a 0- and 28-day schedule
Description: Inactivated Rotavirus vaccine (Vero cell) of 320EU/0.5ml on day 0,28

Intervention type: BIOLOGICAL
Group type: EXPERIMENTAL
Intervention: Low dosage IRV on a 0- and 28-day schedule
Description: Inactivated Rotavirus vaccine (Vero cell) of 80EU/0.5ml on day 0,28

Intervention type: BIOLOGICAL
Group type: EXPERIMENTAL
Intervention: Medium dosage IRV on a 0- and 28-day schedule
Description: Inactivated Rotavirus vaccine (Vero cell) of 160EU/0.5ml on day 0,28

Intervention type: BIOLOGICAL
Group type: EXPERIMENTAL
Intervention: High dosage IRV on a 0- and 28-day schedule
Description: Inactivated Rotavirus vaccine (Vero cell) of 320EU/0.5ml on day 0,28

Intervention type: BIOLOGICAL
Group type: EXPERIMENTAL
Intervention: Low dosage IRV on a 0- and 28-day schedule
Description: Inactivated Rotavirus vaccine (Vero cell) of 80EU/0.5ml on day 0,28

Intervention type: BIOLOGICAL
Group type: EXPERIMENTAL
Intervention: Medium dosage IRV on a 0- and 28-day schedule
Description: Inactivated Rotavirus vaccine (Vero cell) of 160EU/0.5ml on day 0,28

Intervention type: BIOLOGICAL
Group type: EXPERIMENTAL
Intervention: High dosage IRV on a 0- and 28-day schedule
Description: Inactivated Rotavirus vaccine (Vero cell) of 320EU/0.5ml on day 0,28

Intervention type: BIOLOGICAL
Group type: EXPERIMENTAL
Intervention: Low dosage IRV on a 0- and 28-day schedule
Description: Inactivated Rotavirus vaccine (Vero cell) of 80EU/0.5ml on day 0,28

Intervention type: BIOLOGICAL
Group type: EXPERIMENTAL
Intervention: Medium dosage IRV on a 0- and 28-day schedule
Description: Inactivated Rotavirus vaccine (Vero cell) of 160EU/0.5ml on day 0,28

Intervention type: BIOLOGICAL
Group type: EXPERIMENTAL
Intervention: High dosage IRV on a 0- and 28-day schedule
Description: Inactivated Rotavirus vaccine (Vero cell) of 320EU/0.5ml on day 0,28

Intervention type: BIOLOGICAL
Group type: EXPERIMENTAL
Intervention: Low dosage IRV on a 0- , 28- and 56-day schedule
Description: Inactivated Rotavirus vaccine (Vero cell) of 80EU/0.5ml on day 0,28,56

Intervention type: BIOLOGICAL
Group type: EXPERIMENTAL
Intervention: Medium dosage IRV on a 0- , 28- and 56-day schedule
Description: Inactivated Rotavirus vaccine (Vero cell) of 160EU/0.5ml on day 0,28,56

Intervention type: BIOLOGICAL
Group type: EXPERIMENTAL
Intervention: High dosage IRV on a 0- , 28- and 56-day schedule
Description: Inactivated Rotavirus vaccine (Vero cell) of 320EU/0.5ml on day 0,28,56

Intervention type: BIOLOGICAL
Group type: PLACEBO_COMPARATOR
Intervention: Placebo on day 0, 28
Description: Two doses of placebo at the vaccination schedule of day 0,28

Intervention type: BIOLOGICAL
Group type: PLACEBO_COMPARATOR
Intervention: Placebo on day 0, 28, 56
Description: Three doses of placebo at the vaccination schedule of day 0, 28,56