Phuket pilots three subcutaneous vaccinations use a small amount but higher than intramuscular injection

Phuket pilots three subcutaneous vaccinations Only 20% of the dosage was found to be higher than intramuscular injections. and less side effects but more irritated and reddened

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On September 24, 2021 at the 4000-seat Nazim Gymnasium, Saphan Hin Sports Center, Muang District, Phuket Province, Phuket Province and the Provincial Public Health Office, together with Wachira Phuket Hospital. Perform 3 needle vaccinations for Phuket residents. by injecting under the skin for the first time in the country after being approved by the Ministry of Health

On September 15, last year, Dr. Chalermpong Sukonthaphon, director of Vachira Phuket Hospital, together with Dr. Supalak Laongpetch, M.D. Witita Jang-iam, physician at Wachira Phuket Hospital Initiator of the research project to vaccinate 3 needles with AstraZeneca vaccine. intradermal injection using only 20% vaccine dose and general intramuscular injection

The study involved 242 volunteers aged 18-60 years who had received two doses of Sinovac vaccine. The volunteers were divided into 2 groups. Group 1 received general injections. (Intramuscular) 120 subjects received 0.5 ml vaccine and 122 subcutaneous subjects received 0.1 ml vaccine, or one-fifth of the conventional vaccine.

The results showed that the immunity of those who received subcutaneous vaccination. The average was slightly higher than those who received the conventional vaccination. Those who received subcutaneous vaccination had an average immune response of 17,662.3 AU/ml and those who received conventional vaccination had an average immune response of 17,214.1 AU/m. 840 AU/ml)

The side effects of subcutaneous vaccination were less common than with conventional injections, such as fever or headache, in only 70 cases compared to conventional injections. However, subcutaneous vaccination has more side effects at the injection site, such as irritation and redness. But it’s not a concern. Therefore, the Ministry of Public Health has approved Phuket as a pilot province in subcutaneous injection of 3 needles.

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