BACKGROUND: Tuberculosis remains a major cause of morbidity and mortality worldwide. The BCG vaccine contains a weakened strain of TB bacteria, which builds up immunity and encourages the body to fight TB if infected with it, without causing the disease itself. Care of the injection site OBJECTIVES: To determine the sensitivity of the BCG scar as an indicator of previous vaccination. Most children develop a sore at the injection site. The COVID-19 pandemic is one of the most devastating in recent history. Call your doctor at once if you have a fever of 103 degrees F or higher. Within 10 to 14 days after receiving this vaccine, you should see small red bumps on your skin where the vaccine and needle device were placed. The ulcer is usually less than a centimetre in diameter, and may last from a few weeks to a few months before healing to a small, flat scar. Adverse reactions to BCG vaccine appear to be grossly underreported. Adults are often given a skin test before they are offered the vaccine. Once healed, the sore may leave a small scar. This epidemiological study assessed the global linkage between BCG vaccination and COVID-19 mortality. During the same period, 1456 vaccines were administered, with a prevalence of 0.046% adverse reactions; of the patients with these adverse reactions, 45 had local reactions, 18 had lymphadenopathy, 3 had combined local reactio… You may have flu-like symptoms for up to 2 days after you receive BCG vaccine. The BCG vaccine does not work well in adults, but those aged up to 35 may also be offered the vaccine if their job has a high risk of contact with people or animals infected with TB. Reactions to the BCG vaccine are uncommon and generally mild. More serious complications, such as abscesses or bone inflammation, are rare. The absence or presence of a scar is used as an indicator of previous vaccination. Bacille Calmette Guerin (BCG) is the current vaccine for tuberculosis. For example, in 1987 there were only 2 adverse reactions to BCG vaccine that were reported in all of Canada [1]. We found that BCG-vaccinated children with a BCG scar had significantly lower mortality compared with BCG scar-negative children, the mortality ratio in the first 12 months of follow-up being 0.41 (0.25-0.67). The BCG vaccination is thought to protect up to 80% of people against the most severe forms of TB for at least 15 years, perhaps even up … Surprisingly, from 1983 through 1987, 67 such reactions were recorded in British Columbia alone [2]. The most common side effects include fever, headache and swollen glands. The usual reaction to BCG vaccination is redness and/or a small lump at the injection site, followed by a small ulcer (an open sore) a few weeks later. Fact-checking the week's most popular dodgy claims, including BCG jabs and Iran's highly dubious testing device. 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