Dr John Campbell
Dr John Campbell
@campbellteaching·3.3M subscribers·3.1K videos

Vital update

Posted

June 5, 2020

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COVID -19, Update, Friday 5th June Lancet Hydroxychloroquine or chloroquine with or without a macrolide for treatment of COVID-19: a multinational registry analysis, (May 22nd)

Serious scientific questions about the validity of data

‘Expression of Concern’

)312903/fulltext

Lead author, Prof Mandeep Mehra, (Brigham and Women’s Hospital, Boston)

asked Lancet for retraction

Richard Horton appalled, ‘This is a shocking example of research misconduct in the middle of a global health emergency’

Retraction reference

A Randomized Trial of Hydroxychloroquine as Postexposure Prophylaxis for Covid-19 (3rd June)

Measles

Cambodia

Nepal

Ethiopia

Measles

Highly contagious, serious, viral

1963

Major epidemics every 2–3 years, an estimated 2.6 million deaths each year.

140 000 people died from measles in 2018

Mostly children under the age of 5 years

Passed through direct contact and through the air.

Infects the respiratory tract, then spreads throughout the body

2000 – 2018, measles vaccination prevented an estimated 23.2 million deaths.

Global measles deaths have decreased by 73% from an estimated 536 000 in 2000 to 142,000 in 2018.

Vaccines

Global vaccine summit

10 in human trials

Oxford group

AZ can make 2 billion doses

Moderna

Phase II clinical trial

Safety, reactogenicity and immunogenicity

Phase I, neutralising antibody titres at or above convalescent sera

Phase III trial in July

Guests & Subjects Covered

Update FridayJune Lancet HydroxychloroquineConcern LeadProf Mandeep Mehra BrighamWomens Hospital BostonRichard HortonA Randomized TrialPostexposure Prophylaxis

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Vital update · Dr John Campbell · Sentinel