Everything you need to know about Johnson and Johnson Vaccine Series 2

What’s the recommended dosage?

The WHO interim recommendations on the use of the Janssen Ad26.COV2.S (COVID-19) vaccine were developed using advice from the Strategic Advisory Group of Experts on Immunization (SAGE) and the evidence summary included in the background document linked below.

Version 15 June 2021 of this document has been released.

The SAGE recommendation for the use of Janssen Ad26.CoV2.S is a single intramuscular dosage of 0.5 mL with a minimum of 14 days between the J&J vaccination and any other vaccines that the recipient may need to protect against other health concerns. However, if more information on co-administration with other vaccines becomes available, this recommendation may be revised.

Comparison between the Janssen Ad26.CoV2.S and Dual-dose Vaccines

The SAGE recommendation for the use of Janssen Ad26.CoV2.S is a single intramuscular dosage of 0.5 mL with a minimum of 14 days between the J&J vaccination and any other vaccines that the recipient may need to protect against other health concerns. However, if more information on co-administration with other vaccines becomes available, this recommendation may be revised.

How Safe Is the J&J Vaccine?

SAGE, which oversees and makes recommendations on pharmaceuticals and vaccines for WHO has thoroughly examined the data on the vaccine's quality, safety, and efficacy before recommending it for people aged 18 and over. The European Medicines Agency (EMA) and the United States Food and Drug Administration (FDA) have both found that SAGE's suggestion is safe for you.

Does it work against new variants of the SARS-CoV-2 virus?

The J&J Janssen Ad26.CoV2.S has been found to be effective against other SARS-CoV-2 virus variants, including the B1.351, which was first identified in South Africa, and the P2, which was first identified in Brazil, with efficacy levels as high as 85.4 percent against severe disease and hospitalization and 66.9% against symptomatic moderate and severe SARS-CoV-2 infection.

Does it prevent infection and transmission?

There is currently no substantive data available in determining the impact of Ad26.COV2.S on virus transmission that causes COVID-19 disease; as a result, it is recommended that we continue to practice and strengthen public health measures that work, such as the use of face masks, physical separation, hand washing, respiratory and cough hygiene, avoiding crowds, and proper ventilation.

Vaccination session and vaccine administration:

Vaccination session and vaccine administration: All people should continue to follow the current COVID-19 protection guidelines in their area before, during, and after vaccination (e.g. wearing a mask, keeping physical distance, hand hygiene).

A person who has signs of COVID-19 should not be immunized. People who have recovered from symptomatic or asymptomatic COVID-19 may be offered vaccination.

Although testing is not advised for vaccine decision-making, patients with PCR-confirmed SARS-CoV-2 infection in the preceding 6 months may choose to delay vaccination until towards the end of this period based on existing data.

As of April 19, 2021, the Janssen vaccine was considered safe and effective at protecting people from the highly dangerous dangers of COVID-19, including death, hospitalization, and severe disease, under WHO surveillance and in close collaboration with EMA, FDA, and other regulators throughout the world.

Nonetheless, Johnson & Johnson, realizing the importance of ongoing research into ways to make vaccines as effective as possible against all types of pandemics and infectious diseases continue to work tirelessly to improve on what they have already done, mobilizing its deep scientific expertise and large international and global workforce to keep to their commitment to addressing the health needs of people, communities, and healthcare officers around the world.

Hopefully, with its contribution to the fight against the Covid-19 pandemic, the world will be able to return to life as we used to know and love it without fear of being consumed by a pandemic sooner rather than later.

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