Mia Malan Profile picture
Mar 4, 2022 9 tweets 7 min read Read on X
[Thread] Have the new #COVIDV19 jab rules @healthza implemented in Feb resulted in a higher uptake?
- Early data = encouraging (🧵= details)
- What were the changes?
* 2nd #Pfizer jab = 21 days after 1st
* Pfizer booster = 90 days after 2nd
* #JnJ booster = 60 days after 1st
2. When did the changes kick in?
1. #JnJ: 21 Feb
#Pfizer: 23 Feb
2. What happened?
Comparison of uptake on 16 Feb + 2 March (1 wk after new rules):
* Increases:
- EC: 113%, KZN: 64%; LP: 96% (private sites)
- WC: 66% (public sites)
- NC (93%) (public +private sites)
3. What changes did @healthza see in uptake in provinces before and after the new rules?
- Uptake in all provinces increased
- Largest increases
MP: 1.7%
FS : 1.3%
GP 1.3%
4. Was there higher uptake among men (they have lower uptake than women in general) before and after the introduction of new rules?

Yes, men's uptake (1.2%) increased slightly more than women's (1%)
5. Was there higher uptake among people of 18-34 years before and after the new rules? This group has the lowest uptake of all age groups and is age group that now needs to be targeted most.

Yes, 18-34 (2.1%) had the highest increase in uptake of all age groups
6. What does the data tell us? It could potentially be that the new rules are leading to an increased uptake of 2nd #Pfizer doses and all boosters (but the data @healthza presented = only compared two individual days; we need more more comparisons to be able to see a trend).
7. Data presented looked @ doses in general, so it didn't break down which doses = 2nd #Pfizer, boosters or 1st doses. But @healthza's Nicholas Crisp says, the dpt = concerned that most doses = follow-up doses, rather than 1st doses (so fewer new people = coming to be vaxxed).
8. How many #COVID19 doses of March 3 were 1st doses (so new people coming to be vaxxed)?

29,780 (27.7%) out of 107,341 doses (the rest = 2nd #Pfizer doses and Pfizer and JnJ boosters)
9. Where does the data used in this thread come from?
1. March 3 vax data: @healthza dashboard: sacoronavirus.co.za/latest-vaccine…
2. Everything else was presented by @healthza's Nicholas Crisp at the dpt's March 4 briefing. Watch the briefing here:
sacoronavirus.co.za/2022/03/03/03-…

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More from @miamalan

Jul 24
🧵1. BREAKING: The peer-reviewed results of the study of a 6-monthly jab, #lenacapavir, in which not a single of the 2134 women between 16-25 years who received the jab contracted #HIV, were released at #Aids2024.

Find the full study here:

bhekisisa.org/wp-content/upl…
Image
2. Women often find it hard to adhere to daily #oralPrEP. In the Purpose 1 trial, 91.5% of women returned on time for their next #lenacapavir jab at 26 weeks and 92.8% at week 52. Image
3. Only 4 women out of 2134 (0.2%) who received #lenacapavir dropped out of the trial because of injection-site reactions. Image
Read 15 tweets
Jan 17
[Thread] 12 things to know about the the proportion of pregnant women infected with #HIV from SA’s latest antenatal HIV survey. The survey is conducted by the @nicd_sa.

(Analysis of our 95-95-95 goals in my next thread later in Jan).

1/12 Image
2. What is the antenatal #HIV survey?

1. It measures the % of HIV+ pregnant women between the ages of 15 + 49.
2. Only women using state pregnancy clinics take part.
3. The survey has been conducted each year between 1990-2015, then in 2017, 2019 +2022. Image
3. How many pregnant women between 15-49’s blood was tested for #HIV? 37 828 out of 40 542 collected samples.
- 37 7171 = Black African women
- 37 541 didn’t live with the dad of their child
- 35,635 of dads were 5 years+ older than moms (this makes them more likely to get HIV) Image
Read 12 tweets
Jan 10, 2023
JUST IN [Thread]:
1.@healthza's Lesley Broomberg:
An extra #COVID19 booster jab for people of 18+ in SA will become available towards the end of JANUARY
- People of 50+ qualify for a 5th dose
- People of 18+ qualify for a 4th dose
2. Lesley Broomberg: Can you mix and match with additional boosters? Yes. You can choose whether you want a #JnJ or #Pfizer booster.
3. Lesley Broomberg:
Will teens of 12-17 qualify for boosters? Not at this stage. Why not? The #VMAC = not recommended booster doses for 12-17, based on an understanding that the protection provided by 2 #Pfizer doses = adequate, as 12-17 = @ low risk of severe #COVID19 illness
Read 5 tweets
Jan 10, 2023
[Thread] #JoePhaahla:
- Genomic surveillance Network reported the detection of the new subvariant XBB.1.5 in SA of a sample of a patient tested on 22 Dec
- Details of the patient = not known, it was a random sample taken for testing
- XBB.1.5 = also common in US
2. XBB.1.5 = common in US
#JoePhaahla:
- 97%+ of #COVID19 cases worldwide = still #Omicron
- XBB.1.5 cases = no major change in hospitalisations or deaths
- Immunity of SAs (vax and natural immunity) = still strong, so that is why we haven't seen much change in terms of hospital admissions/deaths
Read 5 tweets
Dec 13, 2022
🧵1. SA's @aspenpharma will be making 4 jabs (fill + finish) — pneumococcal, rotavirus, meningococcal, hexavalent — from 2023.

How will they finance this?
With a $30 million grant from @CEPIvaccines + @gatesfoundation.

Which APIs will Aspen use?
India's Serum Institute's
2. Why is it NB that an African company makes these jabs?

#Africa imports almost all its jabs. #COVID19 showed us this results in Africa being last in line to get vaccines during pandemics. The grant to Aspen is 1 of the 1st steps to change that.
3. What's the goal?

By 2040, the African Union wants #Africa to make 60% of the jabs the continent uses.

Why?
So that Africa is better equipped 2 respond 2 outbreaks (by developing the ability to make jabs + have technology in place to also make new jabs during pandemics).
Read 6 tweets
Dec 2, 2022
🧵1. BREAKING: @SAHPRA1 has confirmed the registration of the #HIV prevention jab, #CABLA in South Africa. On Thursday, #ViiVHealthcare issued their statement. ImageImage
2. Who can use the jab? @SAHPRA1 didn't specify restrictions for use in their statement, only that it is "a highly effective option for people at substantial risk of #HIV infection." Image
3. How does the jab work? It uses an #ARV called cabotegravir that prevents #HIV from replicating and entering someone’s cells. It’s taken every two months. Read my latest story for more. bit.ly/3ER7ejq
Read 5 tweets

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