Johnson & Johnson said the employer's dose of Covid-19 enhances its efficiency to prevent 100% suffering when injected for two months after the first nose.

Our dose vaccine creates a strong immune response and long-term immunity to memorization.

A johnson & Johnson vaccine vial at the vaccination point in New York, USA, in April. Photo: AP.

About 32,000 people aged 18 and over, from 10 countries, participated in J & J's clinical trial.

J & J at the beginning of the year said that according to a large clinical trial, their vaccine a dose achieved 66% effective in preventing Covid-19 from the average level to serious.

Dan Barouch, the immune house to participate in J & J vaccine development, indicating that some countries can choose to deploy an enhanced dose, while other countries can continue injecting a single dose, based on desire or

J & J's new data was given among many countries that have implemented or plans to increase the Increased Vaccine Covid-19 vaccine, after studies show the ability to protect decline over time in some types of vaccines, along

However, many experts rated the dose of Vaccine Covid-19, which should only be for a small number of people whether full injecting still faces a high risk of suffering and high death if infected with viruses, like people over 65 years old