Health
Results For "booster dose "
![Covaxin booster dose enhances vaccine effectiveness against Delta, Omicron variants, says ICMR](https://media.assettype.com/nationalherald%2F2021-11%2F691eff73-888e-49e5-9133-67ff8aef2831%2FResults_provide_evidence_for_effectiveness__Bharat_Biotech_on_Covaxin_study.jpeg?rect=0%2C0%2C400%2C225&auto=format%2Ccompress&fmt=webp&w=300)
![US begins clinical trial evaluating 2nd Covid booster shots in adults](https://media.assettype.com/nationalherald%2F2022-02%2F9fc7bf27-5b41-49f4-ae1e-d8b95ab15352%2F60640569_403.jpg?rect=0%2C0%2C940%2C529&auto=format%2Ccompress&fmt=webp&w=300)
World
US begins clinical trial evaluating 2nd Covid booster shots in adults
![US CDC recommends additional Covid-19 boosters for vulnerable groups](https://media.assettype.com/nationalherald%2F2022-03%2Fef516561-79c1-42ef-a49e-d879fcabef63%2FUS_CDC_recommends_additional_Covid_19_boosters_for_vulnerable_groups.jpg?rect=0%2C0%2C1995%2C1122&auto=format%2Ccompress&fmt=webp&w=300)
World
US CDC recommends additional Covid-19 boosters for vulnerable groups
![Clear guidelines on booster dose for under 60 yrs sought in Rajya Sabha](https://media.assettype.com/nationalherald%2F2021-09%2Fba0f86fd-cf2a-4b65-9f2b-71eaa6946ac7%2FModerna.jpg?rect=0%2C0%2C1200%2C675&auto=format%2Ccompress&fmt=webp&w=300)
Nation
Clear guidelines on booster dose for under 60 yrs sought in Rajya Sabha
![Saudi Arabia mandates Covid booster jab for travelling abroad](https://media.assettype.com/nationalherald%2F2022-02%2Fd09127bc-042e-41af-9a2a-aec519a686ba%2Fsaudi.jpg?rect=0%2C22%2C400%2C225&auto=format%2Ccompress&fmt=webp&w=300)
World
Saudi Arabia mandates Covid booster jab for travelling abroad
![Too late in day to roll out booster jabs, say experts even as Centre showcases data on US vaccines’ efficacy](https://media.assettype.com/nationalherald%2F2021-09%2F02274e71-739d-4262-b0c9-3e97ecf7ec7f%2F59055841_403.jpg?rect=0%2C0%2C940%2C529&auto=format%2Ccompress&fmt=webp&w=300)
India
Too late in day to roll out booster jabs, say experts even as Centre showcases data on US vaccines’ efficacy
![Booster doses of current vaccines may not be enough: WHO](https://media.assettype.com/nationalherald%2F2021-05%2Fa12beb9c-9336-4b83-9b74-c296c409cf81%2F56491366_403.jpg?rect=0%2C0%2C940%2C529&auto=format%2Ccompress&fmt=webp&w=300)
World
Booster doses of current vaccines may not be enough: WHO
![4 lakh eligible for booster dose on Jan 10 in TN](https://media.assettype.com/nationalherald%2F2021-10%2Fd575048c-84b7-4607-93a7-dcd950e7f734%2F59625321_403.jpg?rect=0%2C0%2C940%2C529&auto=format%2Ccompress&fmt=webp&w=300)
Nation
4 lakh eligible for booster dose on Jan 10 in TN
![Fresh registration not needed for precautionary Covid-19 vaccine dose: Centre](https://media.assettype.com/nationalherald%2F2022-01%2Fbe97f5f5-6999-4725-b364-256640af6933%2FFresh_registration_not_needed_for_precautionary_Covid_19_vaccine_dose_Centre.jpg?rect=0%2C228%2C1202%2C676&auto=format%2Ccompress&fmt=webp&w=300)
Health
Fresh registration not needed for precautionary Covid-19 vaccine dose: Centre
![Boosters can wane, 4th Covid shot may be necessary: Moderna CEO](https://media.assettype.com/nationalherald%2F2022-01%2F0b5b3734-7eba-4184-8d77-eb921542fc23%2FBoosters_can_wane__4th_Covid_shot_may_be_necessary__Moderna_CEO_.jpeg?rect=0%2C0%2C400%2C225&auto=format%2Ccompress&fmt=webp&w=300)
Nation