COPENHAGEN, Denmark (AP) — Norwegian officials have adjusted their advice on who gets the COVID-19 vaccine in light of a small number of deaths in older people, leaving it up to each doctor to consider who should be vaccinated. Aspiration during any kind of injection is meant to ensure that the needle tip is at the desired location during this blind procedure. PDF COVID-19 vaccine information for healthcare practitioners A study in Denmark and Norway has found slightly increased rates of vein blood clots among people who have had a first dose of AstraZeneca's COVID-19 vaccine, including clots in the brain . Vulnerable people can also now get a booster shot. We know that far from all vaccine candidates will make it. Denmark has suspended the use of the Oxford AstraZeneca coronavirus vaccine while it investigates possible serious side effects. "The epidemic is under control," Danish . Related Pages. Denmark study confirms myocarditis risk low after COVID-19 vaccination As a precautionary measure to ensure that the vaccine might not accidentially be injected into bloodvessel, the Danish SSI (Statens Serum Institut) has changed its vaccination guidelines on March 18th as follows: It was, therefore, cautioned that intramuscular injection of vaccine should be done with aspiration technique to avoid inadvertent vaccine administration into deltoid muscle vasculature that may lead to vaccine distribution to distance tissues which increases the risk of developing severe adverse reactions to COVID-19 vaccines. Free full text . COVID-19: Denmark extends suspension of the AstraZeneca vaccine for 3 ... Denmark prolongs suspension of AstraZeneca COVID-19 vaccine Denmark's SSI (Statens Serum Institut) issues special advisory regarding vaccination technique for all COVID-19 vaccines, to prevent inadvertent injection into bloodstream. Sweden had also suspended the rollout but it announced on 25 March that it will begin vaccinating over 65s again. However, the Pfizer vaccine doses were given to Denmark residents at a median of 35 days apart while in the U.S. the recommended interval is 21 days, which authors discussed could impact the myocarditis rates. So, for intramuscular injections, you have some blood vessels that are in your muscles. Myocarditis after vaccine: Danish study offers reassurance | CTV News Live attenuated influenza vaccine (abbreviation: LAIV; trade name: FluMist®) is also an option for non-pregnant persons between 2 and 49 years of age [1].